Question

C) 5x=20

L)x/8+5=9

M)x/9+10=3​

Answer 1

Explicação passo-a-passo:

$c) \: 5x = 20 = > x = \frac{20}{5} = > x = 4$

$l) \: \frac{x}{8 + 5} = 9 = > \frac{x}{13} = 9 = > x = 9 \times 13 = > x = 117$

$m) \: \frac{x}{9 + 10} = 3 = > \frac{x}{19} = 3 = > x = 3 \times 19 = > x = 57$