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nessa1012
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Onoriodefelix

Answer:

x = 3

Step-by-step explanation:

4x - 3y = y - 12

If y = 6

4x - 3 x 6 = 6 - 12

4x -18 = -6

Add 18 to both sides

4x - 18 + 18 = -6 + 18

4x = 12

Divide both sides by 4

x = 12/4

x = 3