84=3y-6

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Solution for 84=3y-6 equation:


Simplifying
84 = 3y + -6

Reorder the terms:
84 = -6 + 3y

Solving
84 = -6 + 3y

Solving for variable 'y'.

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

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

Combine like terms: 3y + -3y = 0
84 + -3y = -6 + 0
84 + -3y = -6

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

Combine like terms: 84 + -84 = 0
0 + -3y = -6 + -84
-3y = -6 + -84

Combine like terms: -6 + -84 = -90
-3y = -90

Divide each side by '-3'.
y = 30

Simplifying
y = 30

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