Question

respondão 3x+500=1000+500+1x+100

Answer 1

3.x + 500 = 1.000 + 500 + 1.x + 100

3.x - 1.x = 1.000 + 500 - 500 + 100

2.x = 1.100

x = 1.100 : 2

x = 550........( resposta)

S....= { 550 }