Question

RESOLVA AS EQUAÇÕES DO 1 GRAU ABAIXO x+5=8
$\times + 5 = 8$
$\times - 4 = 3$
$\times + 6 = 5$
$\times - 7 = - 7$
$\times + 9 = - 1$
$\times - 39 = - 79$
$10 = \times + 8$
$15 = \times + 20$
$4 = \times - 10$
$7 = \times + 8$
$\times - 1 = 5$
$2 \times + 4 = 16$
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Answer 1

Resposta:

A) x = 3

B) x = 7

C) x = -1

D) x = 0

E) x = -10

F) x = -40

G) x = 2

H) x = -5

I) x = 14

J) x = -1

K) x = 6

L) x = 7