Question

Quanto er 18×-100=8×+200 me ajudem

Answer 1

18x - 100 = 8x + 200 =>
18x - 8x = 200 + 100 =>
10x = 300 =>
x = 300/10 =>
x = 30

Answer 2

18x - 100 = 8x + 200
18x - 8x = 200 + 100
10x = 300
x = 300 ÷ 10
x = 30

$\boxed{\boxed{\mathtt{Resposta :x = 30}}}$