Question

1) Resolva as equações do 1º grau:
a) 4x - 24 = 2x + 6
b) 5x + 10 = 0​

Answer 1

Resposta:

a) 4x-24 = 2x+6

4x-2x=6+24

2x=30

x=30/2

x=15

b) 5x+10=0

5x=-10

x= -10/5

x= - 2