Question

1. Resolva as questões:

a) x + 5 = 8
b) x − 4 = 3
a) 3x = 15
b) 2x = 14

Answer 1

Resposta:

OLÁ

A)

$x + 5 = 8 \\ x = 8 - 5 \\ \blue{x = 3}$

B)

$x - 4 = 3 \\ x = 3 + 4 \\ \blue{x = 7}$

C)

$3x = 15 \\ x = \frac{15}{3} \\ \\ \blue{x = 5}$

D)

$2x = 14 \\ x = \frac{14}{2} \\ \\ \blue{x = 7}$

espero ter ajudado