Question

A solução da equação do 1º grau. 3x + 4 > 2x + 8, será o valor de x:

Answer 1

Explicação passo-a-passo:

3x+4 > 2x+8

3x-2x > 8-4

x > 4

Answer 2

$\sf x\:+\:4\:>\:2x\:+\:8\\\\\\\sf x+4-4>2x+8-4\\\\\\\sf x>2x+4\\\\\\\sf x-2x>2x+4-2x\\\\\\\sf -x>4\\\\\\\sf \left(-x\right)\left(-1\right)<4\left(-1\right)\\\\\\x<-4$