JOHNSTARK298500
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bonsoir besoin de confirmation merci -3x+2=5x+7
x=-5/8 ​

Sagot :

FAMILYS

Bonsoir,

-3x + 2 = 5x + 7

-3x + 2 + 3x = 5x + 7 + 3x

2 = 8x + 7

8x + 7 = 2

8x = 2 - 7 = -5

8x / 8 = -5 / 8

x = -5/8