Question

4 ×+20=100 qual é a resposta

Answer 1

$4x+20=100 \\ 4x = 100-20 \\ 4x = 80 \\ x= \frac{80}{4} \\ x=20$

Answer 2

4x + 20=100
4x=100 - 20
x = 80/4
x= 20