Question

j)4x=2000
m)5x +30 = 180
n)30 x = 200​

Answer 1

Oie, Td Bom?!

>>> Resolvendo as equações do 1° grau.

j)

4x = 2000

x = 2000/4

x = 500

m)

5x + 30 = 180

5x = 180 - 30

5x = 150

x = 150/5

x = 30

n)

30x = 200

x = 200/30

x = 200÷10/30÷10

x = 20/3

Att. Makaveli1996