Question

x + x -50 = 100 . .. . .

Answer 1

x=75
pois, 2x-50=100
2x=100+50
2x=150
x=150/2
x=75

Answer 2

Resposta:

x+x-50=100

2x= 100+50

2x= 150

x= 150/2

x= 75