Question

qual o resultado da equação 5x-20+15=-5x+35?​

Answer 1

$5x-20+15=-5x+35 \\ 5x+5x=35+5\\ 10x=40$

$x=\frac{40}{10} \\ x=4$

Answer 2

5x-20+15=-5x+35

5x+5x=35+5

10x=40

x=40/10

x=4

Ex;,-20+15=5 pois deu 5 !