Question

olha aqui gente me ajudem 4x-20=2x-80

Answer 1

4x-20=2x-80
4x-2x=-80+20
2x=-60
x=-60/2
x=-30

Answer 2

4x - 20 = 2x - 80
4x - 2x = - 80 + 20
2x = - 60
x = - 60/2
x = - 30