Question

2x-3=4x+7 são equivalentes

Answer 1

$2x - 3 = 4x + 7 \\ \\ 2x - 4x = 7 + 3 \\ \\ -2x = 10 \\ \\ x = - \frac{10}{2} \\ \\ x = -5$

Answer 2

2x-3 = 4x+7
-3-7 = 4x-2x
2x= -10
x= -10/2
x= -5
São se x =-5

Prova Real

2x-3 = 4x+7
2.-5-3 = 4.-5+7
-10-3 = -20 +7
-13 = -13