Question

COMO RESOLVO ESSA 3(X-2)-(1-X)=13

Answer 1

3(X-2)-(1-X)=13
3x-6-1+x=13
4x=13+6+1
4x=20
x=5

Answer 2

 3(X-2)-(1-X)=13
3x-6-1+x = 13
3x+x = 13+6+1
4x = 20
x = 20/4
x = 5