J’ai un DM à rendre pour Mardi mais je n’arrive pas à cette exercice : a) 3x+1=1-2(x-3) <br /> B) 2(x-3)-(x+5)=3(2-x)+7<br /> C) (x-3)(2x-1)-(x+5)(2x+1)=3(4-x)+1<br /> Merci de votre aide :)

Question

Grade: Education Subject: mathematiques

J’ai un DM à rendre pour Mardi mais je n’arrive pas à cette exercice : a) 3x+1=1-2(x-3)
B) 2(x-3)-(x+5)=3(2-x)+7
C) (x-3)(2x-1)-(x+5)(2x+1)=3(4-x)+1
Merci de votre aide :)

Asked by: USER7496

191 Viewed 191 Answers

Answer (191)

USER2274

Best Answer

(184)

A) 3x+1=1-2 (x-3)
3x+1=1-2x+6
3x+2x=1-1+6
5x=6
X=5/6

B)2 (x-3)-(x+5)=3 (2-x)+7
2x-6-x-5=6-3x+7
2x-x+3x=6+5+6-7
4x=10
X=10/4=2,5

Answered on 26 Agustus 2025

I will mark brainliest.

Multiply and simplify.

(x + 3)^2

A) 6x + 9

B) x^2 + 9

C) x^2 +15x

D) x^2 + 6x + 9

4 September 2025 160 views 184 comments

cura
41. La ce numere de o cifră ştii să împarți exact cel mai mare număr de două cifre, în care
U=Z:2?

4 September 2025 114 views 114 comments

menjelaskan arti pandangan hidup

4 September 2025 32 views 32 comments

Which choice provides the best definition of "inference"?

logical conclusion
information stated in a text
the reader's opinion
explicit details

4 September 2025 160 views 173 comments

hasil dari 2.500m² + 100 dam² - 150 ca adalah

a. 33,5 are
b. 110 are
c. 123,5 are
d 249,5 are

pake cara ya!!!

4 September 2025 151 views 151 comments

Salutations! I could really use some assistance with this if anyone’s available

4 September 2025 79 views 79 comments

Vreau și eu ideile principale și rezumatul la amintiri din copilărie capitolul 1
P.S.:Dau funda

29 Agustus 2025 101 views 101 comments

bonjour à tous !

j'aimerais mettre cette fraction sous forme irréductible (sans utiliser le pgcd):

119/87
est-ce possible?car je ne pense pas car 119 n'est pas dvisible par 2 ni par 3. Mon résonnement est -il bon ?

26 Agustus 2025 160 views 250 comments

there are 1800 students in a school in 540 of them do not take part in sports activities of these students who do not take part 5/9 are girls there are two thirds as many girls as boys in the school how many boys take part in sports activities

J’ai un DM à rendre pour Mardi mais je n’arrive pas à cette exercice : a) 3x+1=1-2(x-3) B) 2(x-3)-(x+5)=3(2-x)+7 C) (x-3)(2x-1)-(x+5)(2x+1)=3(4-x)+1 Merci de votre aide :)

Question

Answer (191)

Related Articles

I will mark brainliest.Multiply and simplify.(x + 3)^2A) 6x + 9 B) x^2 + 9C) x^2 +15xD) x^2 + 6x + 9

De selectat proverbe ce au in componeta lor antonime.AJUTOR VA ROG MOOLT!!!

tulislah surat an nisa ayat 136 beserta artinya

A potlach can best be describe as a

14 kilograme de portocale costă 56de lei. CAt costa 8 kilograme de acelasi fel​

cura41. La ce numere de o cifră ştii să împarți exact cel mai mare număr de două cifre, în careU=Z:2?​

menjelaskan arti pandangan hidup

Which choice provides the best definition of "inference"? logical conclusion information stated in a text the reader's opinion explicit details

hasil dari 2.500m² + 100 dam² - 150 ca adalah a. 33,5 are b. 110 are c. 123,5 are d 249,5 are pake cara ya!!!

Salutations! I could really use some assistance with this if anyone’s available

Vreau și eu ideile principale și rezumatul la amintiri din copilărie capitolul 1 P.S.:Dau funda

bonjour à tous ! j'aimerais mettre cette fraction sous forme irréductible (sans utiliser le pgcd): 119/87 est-ce possible?car je ne pense pas car 119 n'est pas dvisible par 2 ni par 3. Mon résonnement est -il bon ?