Question

Resolva as equações
a) 4x+4=12
b) 3x+5=35

Answer 1

Resposta:

$a)4x+4=12$

$4x=12-4$

$4x=8$

$x=8/4$

$x=2$

$b) 3x+5=35$

$3x=35-5$

$3x=30$

$x=30/3$

$x=10$