Question

10x+3x=40

alguém sabe gnt??​

Answer 1

Resposta:

$10x +3x=40\\\\13x=40\\\\x=40:13\\\\x=\frac{40}{13}$

Answer 2

(1 passo)10×+3×=40

13× = 40

(2 passo)13× = 40

13× = 40

---- = ----

13 13

(3 simplifique)

× = 40

-----

13