Question

Resolva as equações.

a) x/2= 8

b) x/2= -8

c) 3x/4= 9

d) 2x/3= -10

Answer 1

a) x/2= 8
x= 2.8
x= 16

b)x/2= -8
x= -8.2
x= -16

c) 3x/4= 9
3x= 9.4
3x= 36
x= 36/3
x= 12

d)2x/3= -10
2x= -10.3
2x= -30
x= -30/2
x= -15

Answer 2

A)  x/2 = 8
x = 8.2
x = 16

B) x/2 = -8
x = -8.2
x = -16

C) 3x/4 = 9
3x = 4.9
3x = 36
x= 36/3
x = 12

D) 2x/3 = -10
2x = -10.3
2x = -30
x = -30/2
x = -15