Question

Resolva as inequações do 1º grau. a) -x + 8 > 9 – 2x S = b) 2 ( x – 1 ) < x –6 S =
Pleasee

Answer 1

$\mathsf{a)~-x+8>\,9-2x}\\\mathsf{-x+2x>9-8}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{x>1}}}}}$

$\mathsf{b)~2(x-1)\textless \: x-6}\\\mathsf{2x-2\textless \: x-6}\\\mathsf{2x-x\textless2-6}\\\large\boxed{\boxed{\boxed{\boxed{\mathsf{x\textless-4}}}}}$

Answer 2

Oie, Td Bom?!

a)

- x + 8 > 9 - 2x

- x + 2x > 9 - 8

x > 1

b)

2(x - 1) < x - 6

2x - 2 < x - 6

2x - x < - 6 + 2

x < - 4

Att. Makaveli1996