Question

b) 8x - 12 = - 4

c) 5x - 8 = 12​

Answer 1

Bom dia!

8x - 12 = - 4

8x = - 4 + 12

8x = 8

$x = \frac{8}{8}$

X = 1

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5x - 8 = 12

5x = 12 + 8

5x = 20

$x = \frac{20}{5}$

X = 4

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