Question

3×-5=-7×+15
qual a resposta ?​

Answer 1

3x - 5 = - 7x + 15
3x + 7x = 15 + 5
10x = 20
x = 20/10
x = 2

Answer 2

$3x + 7x = 15 + 5$
$10x = 20$
$x = \frac{20}{10}$
$x = 2$