8y-21=-36+3y

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Solution for 8y-21=-36+3y equation:


Simplifying
8y + -21 = -36 + 3y

Reorder the terms:
-21 + 8y = -36 + 3y

Solving
-21 + 8y = -36 + 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.
-21 + 8y + -3y = -36 + 3y + -3y

Combine like terms: 8y + -3y = 5y
-21 + 5y = -36 + 3y + -3y

Combine like terms: 3y + -3y = 0
-21 + 5y = -36 + 0
-21 + 5y = -36

Add '21' to each side of the equation.
-21 + 21 + 5y = -36 + 21

Combine like terms: -21 + 21 = 0
0 + 5y = -36 + 21
5y = -36 + 21

Combine like terms: -36 + 21 = -15
5y = -15

Divide each side by '5'.
y = -3

Simplifying
y = -3

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