Question

3x + 100 = x + 500 qual é o valor do x?

Answer 1

Resposta:

$3x+100=x+500\\\\3x+100-100=x+500-100\\\\3x=x+400\\\\3x-x=x+400-x\\\\2x=400\\\\\frac{2x}{2}=\frac{400}{2}\\\\x=200$

Answer 2

Explicação passo a passo:

3× +100= × +500

3× -× = -100 +500 =

2× = 400

400÷2= 200

× = 200