Question

Resolva as equações.

A)2+4(5x-1)=6(-2x-1)


B)-3(-4+5)=3(2x+3)

Answer 1

a)2+4(5x-1)=6(-2x-1)

4•5x-4+2=-6•2x-6

20x-2=-12x-6

20x=-12x-4

32x=-4

x=-1/8

x=-1/8



B)-3(-4+5)=3(2x+3)

3(2x+3)=-3(-4+5)

2x+3=4-5

2x+3=1

x+2=0

x=-2