3y+12=84-6y

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Solution for 3y+12=84-6y equation:


Simplifying
3y + 12 = 84 + -6y

Reorder the terms:
12 + 3y = 84 + -6y

Solving
12 + 3y = 84 + -6y

Solving for variable 'y'.

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

Add '6y' to each side of the equation.
12 + 3y + 6y = 84 + -6y + 6y

Combine like terms: 3y + 6y = 9y
12 + 9y = 84 + -6y + 6y

Combine like terms: -6y + 6y = 0
12 + 9y = 84 + 0
12 + 9y = 84

Add '-12' to each side of the equation.
12 + -12 + 9y = 84 + -12

Combine like terms: 12 + -12 = 0
0 + 9y = 84 + -12
9y = 84 + -12

Combine like terms: 84 + -12 = 72
9y = 72

Divide each side by '9'.
y = 8

Simplifying
y = 8

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