Question

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

Answer 1

Resposta:

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