4y + 4 = 2y + 12
Subtract 2y from each side of the equation:
2y + 4 = 12
Subtract 4 from each side:
2y = 8
Divide each side by 2:
y = 4
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4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4
4
(12, 1)
4y+2 = 2y+6 4y-2y = 6-2 2y = 4 y = 2
4y + 4 = 2y + 12Subtract 4 from each side of the equation:4y = 2y + 8Subtract 2y from each side:2y = 8Divide each side by 2 :y = 4