Question

1)resolva

a)x-3/8=0
b)x+1=0
c)x+9=0
d)x-7=0
e)8x=-8
f)4x=-40
g)x-10=3
h)2x=-16

Answer 1

x - 3/8 = 0
x = +3/8

x + 1 = 0
x = -1

x + 9 = 0
x = -9

x - 7 = 0
x = 7

8x = -8
x = -8/8
x = -1

4x = -40
x = -40/4
x = -10

x - 10 = 3
x = 3 + 10
x = 13

2x = -16
x = -16/2
x = -8