84=4y

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Solution for 84=4y equation:


Simplifying
84 = 4y

Solving
84 = 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 = 4y + -4y

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

Add '-84' to each side of the equation.
84 + -84 + -4y = 0 + -84

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

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

Divide each side by '-4'.
y = 21

Simplifying
y = 21

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