Question

a) X - (+10) = +16

b) X - (-2) = -10

c) X - (+20) = +10

d) X - (-9) = 0


para ontem

Answer 1

Resposta:

$a)x = 16 + 10 \\ x = 26$

$b)x + 2 = - 10 \\ x = - 10 - 2 \\ x = - 12$

$c)x = 10 + 20 \\ x = 30$

$d)x + 9 = 0 \\ x = - 9$