Question

2.(x-1)+15=1 cuanto es noe entiendo

Answer 1

2x-2+15=1
2x=1+2-15
2x=3-15
2x =-12
x=-12/2
x=-6 
no estoy seguro busca la comprobación

Answer 2

2(x-1) + 15 = 1
2x - 2 + 15 = 1
2x + 13 = 1
2x = 1 -13
2x = -12
x = -12/2
x = -6

comprobación:

2(x-1) + 15 = 1
2(-6-1) +15 = 1
2(-7) +15 = 1
-14 +15 = 1
1 = 1