Question

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


A) X = -4
B) X = 1
C) X = 4
D) X = 3

Answer 1

3x+2= 5(x-1)-1
3x+2= 5x-5-1
3x+2= 5x-6
2+6= 5x-3x
8= 2x
x= 8/2
x=4

Respuesta c) x=4