Question

EXERCICIOS
1) Resolva as seguintes equações
a) x + 5 = 8
b) x - 4 = 3
c) x + 6 = 5
d) x-3 = -7
e) x + 9 = -1​

Answer 1

a)x-5=8

x=5+8

x=13

b)x-4=3

x=4+3

x=7

c)x+6=5

x=6+5

x=11

d)x-3=7

x=3+7

x=10

e)x+9=-1

x= -1-9

x=10