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a) 2(x + 2) – 3(x - 1) = 5x + 19;


Răspuns :

Răspuns:

a) 2(x+2)-3(x-1)=5x+19

2x+4-3x+3=5x+19

-6x=12

x=-2

2(x+2) - 3(x-1) = 5x+19

2x+4 - 3x+3 = 5x+19

-x-5x = 19-7

-6x = 12

x = 12:(-6)

x = -2