Question

Resolva as equações : a) 4(x-2) -2(x-1)=4
b) 5(x-3)+2=3(1-x)-2

Answer 1

a) 4(x-2)-2(x-1) = 4
4x-8-2x+2= 4
4x-2x= 4+8-2
2x= 10
x= 10/2
x= 5

b) 5(x-3)+2 = 3(1-x)-2
5x-15+2 = 3-3x-2
5x+3x= 3-2-2+15
8x= 14
x = 14/8
x= 1.75