Question

1) Resolva as seguintes equações do 1° grau:
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
j) 15 = x + 20
k) 4 = x – 10
l) 7 = x + 8
k) 0 = x + 12
l) -3 = x + 10

Answer 1

Resposta:

a) 3

b) 7

c) -1

d)-4

e)-10

f)-17

g) 114

h)-40

i)1

j)-5

k)14

l)-1

m)-12