Question

3.(x-2)-(1-x)=13 quero saber a respota .....

Answer 1

3.(x-2)-(1-x) = 13
3x -6 - 1 + x = 13
4x - 7 = 13
4x = 13 + 7
4x = 20
x = 20/4
x = 5

Answer 2

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