Question

 como faser essa equaçao: 7x-(2x-1)=x-2

Answer 1

7x - (2x - 1) = x - 2

7x - 2x + 1 = x - 2

7x - 2x - x = -2 - 1

4x = -3

x = -3/4

Answer 2

 7x-(2x-1)=x-2
7x -2x +1 = x-2
5x - x = -2 -1
4x = -3
x= -3/4