Question

X+10=9 do 1 grau qual o resulta do x

Answer 1

$x + 10 = 9 \\ x = 9 - 10 \\ x = - 1$

Answer 2

Oie, Td Bom?!

x + 10 = 9

x = 9 - 10

x = - 1

S = {- 1}

Att. Makaveli1996