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Silvaflavia670go
Respondido

a)
[tex]2 \times + 5 = 27 \\ [/tex]
b)
[tex]4 \times - 8 = 2 \times 6[/tex]
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Resposta :

Naofalecomigo15go

2x + 5 = 27

2x = 27 - 5

x = 22 / 2

x = 11

4x - 8 = 2 × 6

4x - 8 = 12

4x = 12 + 8

4x = 20

x = 20 / 4

x = 5

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