Question

resolva as equações :
a)5(x-2)= 4x+6
b)-4(4-x)= 2(x-1)

Answer 1

a
5x - 10 = 4x + 6
5x - 4x = 6 + 10
x = 16 *****
b
- 16 + 4x = 2x - 2
4x - 2x = -2 + 16
2x = 14
x = 7 ****