Question

Resolva as equações do 1° grau:
a) 6.(x + 4) - 34= 3.( x + 12) + 2
b) 8.(x - 5) + 20 = 4.(x + 6) + 16​

Answer 1

Bom Dia !!!

a) 6.(x + 4) - 34 = 3.(x + 12) + 2

a) 6x + 24 - 34 = 3x + 36 + 2

a) 6x - 3x = 36 + 2 + 34 - 24

a) 3x = 72 - 24

a) 3x = 48

a) x = 48 / 3

a) x = 16

b) 8.(x - 5) + 20 = 4.(x + 6) + 16

b) 8x - 40 + 20 = 4x + 24 + 16

b) 8x - 4x = 24 + 16 - 20 + 40

b) 4x = 60

b) x = 60 / 4

b) x = 15

Espero ter ajudado :-)

Att: LDC