84=12(3y+1)

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Solution for 84=12(3y+1) equation:


Simplifying
84 = 12(3y + 1)

Reorder the terms:
84 = 12(1 + 3y)
84 = (1 * 12 + 3y * 12)
84 = (12 + 36y)

Solving
84 = 12 + 36y

Solving for variable 'y'.

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

Add '-36y' to each side of the equation.
84 + -36y = 12 + 36y + -36y

Combine like terms: 36y + -36y = 0
84 + -36y = 12 + 0
84 + -36y = 12

Add '-84' to each side of the equation.
84 + -84 + -36y = 12 + -84

Combine like terms: 84 + -84 = 0
0 + -36y = 12 + -84
-36y = 12 + -84

Combine like terms: 12 + -84 = -72
-36y = -72

Divide each side by '-36'.
y = 2

Simplifying
y = 2

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