Question

Resolva as seguintes equações,sendo U=Q

a)x+5=8
b)x-4=3
c)x+6=5
d)x-7=-7
e)x+9=-1
f)x+28=11
g)x-109=5
h)x-39=-79

Answer 1

A)x=8-5
x=3
b)x=3+4
x=7
c)x=5-6
x=-1
d)x=-7+7
x=0
e)x=-1-9
x=-10
f)x=11-28
x=-17
g)x=5+109
x=114
h)x=-79+39
x=40

Answer 2

a)x+5=8
x=8-5
x=3

b) x-4=3
x=3+4
x=7

c) x+6=5
x=5-6
x=-1

d) x-7=-7
x=-7+7
x= -0

e) x + 9 = -1
x=- 1 -9
x= 10

f) x + 28 =11
x=11-28
x= 17

g) x-109=5
x=5+109
x= 114

h) x-39=-79
x= -79+39
x= 40