84=4y+12

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Solution for 84=4y+12 equation:


Simplifying
84 = 4y + 12

Reorder the terms:
84 = 12 + 4y

Solving
84 = 12 + 4y

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-4y' to each side of the equation.
84 + -4y = 12 + 4y + -4y

Combine like terms: 4y + -4y = 0
84 + -4y = 12 + 0
84 + -4y = 12

Add '-84' to each side of the equation.
84 + -84 + -4y = 12 + -84

Combine like terms: 84 + -84 = 0
0 + -4y = 12 + -84
-4y = 12 + -84

Combine like terms: 12 + -84 = -72
-4y = -72

Divide each side by '-4'.
y = 18

Simplifying
y = 18

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