Question

Résoudre l'équation suivante :

7x + 15 = 6x + 3

MERCI

Answer 1

x = -12

Explanation:

7x + 15 = 6x + 3

7x - 6x = 3 - 15

x = -12

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• check

7 × (-12) + 15 = 6 × (-12) + 3

-84 + 15 = -72 + 3

-69 = -69

the answer is good

Answer 2

x = -12

Explanation:

7x -6x =x

3 - 15 = -12

therfore

x= -12