Question

contas e resposta pvfr

x + 2 = 5

x - 11 = 0

4x = -8

x - 2 = -1

2x - 7 = 9

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Answer 1

Resposta:

a) x + 2 = 5

x = 5 - 2

x = 3

b) x - 11 = 0

x = 11

c) 4x = -8

x = -8/4

x = -2

d) x - 2 = -1

x = -1 + 2

x = 1

e)2x - 7 = 9

2x = 9 + 7

2x = 16

x = 16/2

x = 8