Question

Descubr o valor de x na equacao 3 x+5=20

Answer 1

$3x + 5 = 20 \\ 3x = 20 - 5 \\ 3x = 15 \\ x = \frac{15}{3} \\ x = 5$

Answer 2

3x+5= 20

3x= 20-5

3x= 15

x= 15/3

x= 5