Question

Qual o valor de 4x-20= 2x+30

Answer 1

4x-2x=30+20
2x=50
x=50÷2
x=25

Answer 2

$4x - 20 = 2x + 30 \\ 4x - 2x = 30 + 20 \\ 2x = 50 \\ x = \frac{50}{2} \\ x = 25$