Question

50+2x+10+x+90=70 calcule a medida de x

Answer 1

50+2x+10+x+90=70
2x+x=70-90-10-50
3x=70-150
3x=-80
x=-80/3

Answer 2

50 + 2x + 10 + x + 90 = 70
3x + 150 = 70
150 + (-70) = (-3x)
80 = (-3x)
x = - 80/3
x = - 26,6666666...