Question

a) x + 5 = 8
b) x - 4 = 3
c) x + 6 = 5
d) x -3 = - 7
e) x + 9 = -1
f) x + 28 = 11
g) x - 109 = 5
h) x - 39 = -79
i) 10 = x + 9

me ajudem aí por favor​

Answer 1

Resposta:

a)x+5=8

x=8-5

x=3

b)x-4=3

×=3+4

×=7

c)×+6=5

×=5-6

×=-1

d)×-3=-7

×=-7+3

×=-4

e)×+9=-1

×=-1-9

×=-10

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