Question

Resolva as equações:

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

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

c)3x+1=x-2.(2-x)

d)(x-1/2-x).3=2

Answer 1

Explicação passo-a-passo:

a) x-2x-1 = 2-3x+1

x-2x+3x=2+1+1

2x=4

x=4/2

x=2

b)4x-2x-x = 3x-2

4x-2x-x-3x=-2

4x-6x=-2

-2x= -2(-1)

x=2/2

x=1