Question

Ayuda xfa vor
5x - ( x + 7 ) =8 + ( 3x - ( 2 + x ))

Answer 1

5x - ( x + 7 ) =8 + [3x - ( 2 + x )]
5x-x-7=8+[3x-2-x]
4x-7=8+[2x-2]
4x-7=8+2x-2
4x-7=2x+6
4x-2x=6+7
2x=13
x=13/2