Question

5x=18-4x qual o resultado

Answer 1

5x + 4x = 18
9x = 18
x = 18/9
x = 2

S = { 2 }

Answer 2

Olá Cris !

$5x = 18 - 4x \\ 5x + 4x = 18 \\ 9x = 18 \\ x = \frac{18}{9} \\ x = 2$

Tenha bons estudos !