3y-21=11+5y

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Solution for 3y-21=11+5y equation:


Simplifying
3y + -21 = 11 + 5y

Reorder the terms:
-21 + 3y = 11 + 5y

Solving
-21 + 3y = 11 + 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-21 + 3y + -5y = 11 + 5y + -5y

Combine like terms: 3y + -5y = -2y
-21 + -2y = 11 + 5y + -5y

Combine like terms: 5y + -5y = 0
-21 + -2y = 11 + 0
-21 + -2y = 11

Add '21' to each side of the equation.
-21 + 21 + -2y = 11 + 21

Combine like terms: -21 + 21 = 0
0 + -2y = 11 + 21
-2y = 11 + 21

Combine like terms: 11 + 21 = 32
-2y = 32

Divide each side by '-2'.
y = -16

Simplifying
y = -16

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