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Resoudre 3x+4=-2 et (x÷3)-5=1 svp

Sagot :

VINS

bonjour

3 x + 4 = - 2

3 x = - 2 - 4

3 x = - 6

x = - 6/3  = - 2

x/3 -  5 =  1

x /3 = 1 + 5

x /3 =  6

x =  18