Question

resolver a inaquação do 1 grau
-2(x+7)+9<5(2-x)-2x

Answer 1

-2x - 14 + 9 < 10 - 5x - 2x
-2x - 5 < 10 -7x
-2x + 7x < 10 + 5
5x < 15
x < 15 / 5
x < 3
S = {x € IR |x < 3|}

Answer 2

Olá Abferraz,

-2x - 14 + 9 <10 - 5x - 2x
-2x - 5 < 10 -7x
-2x + 7x < 10 + 5
5x <15
x < 15/5
x<3


Espero ter ajudado!