Question

Resolva as equações da folha

Answer 1

a) 3

b) 7

c) -1

d) 0

e) -10

f) -17

g) 114

h) -40

i) 2

j) -5

k) 14

l) -1

m) -12

n) -13

Answer 2

Resposta:

a)x+5=8

x=8-5

x=3

b)x-4=3

x=4+3

x=7

c)x+6=5

x=5-6

x=-1

d)x-7=7

x=7+7

x=14

e)x+9=-1

x=-1-9

x=-10

f)x+28=11

x=11-28

x=-17

g)x-109=5

x=109+5

x=114

h)x-39=-79

x=-79+39

x=-40

I)10=x+8

x=10-8

x=2

j)15=x+20

x=15-20

x=-5

k)4=x-10

x=10+4

x=14

l)7=x+8

x=7-8

x=-1

m)0=x+12

x=-12

n)-3=x+10

x=-10-3

x=-13