Question

1- resolva as equações.
a) 2x+4=6
b) 4x=-16
c) -2y=0
d) 3y+1=0
2- resolva as equações.
a) x=6
2

b) y=-1
2

c) x=-3
3

d) y= 3
3 2

e) x= 7
3

f) y=8
4
g) x= 1
2 3

h) y= 1
5 3 ​

Answer 1

Resposta:

2x+4=6

2x=6-4

2x=2

x=2/2

x=1

4x=16

x=16/4

x=4

-2y=0

y=+2

3y+1=0

3y=0-1

3y=-1

y=1/3