5y-5+y+21=5y+20-3y

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Solution for 5y-5+y+21=5y+20-3y equation: 


Simplifying
5y + -5 + y + 21 = 5y + 20 + -3y

Reorder the terms:
-5 + 21 + 5y + y = 5y + 20 + -3y

Combine like terms: -5 + 21 = 16
16 + 5y + y = 5y + 20 + -3y

Combine like terms: 5y + y = 6y
16 + 6y = 5y + 20 + -3y

Reorder the terms:
16 + 6y = 20 + 5y + -3y

Combine like terms: 5y + -3y = 2y
16 + 6y = 20 + 2y

Solving
16 + 6y = 20 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
16 + 6y + -2y = 20 + 2y + -2y

Combine like terms: 6y + -2y = 4y
16 + 4y = 20 + 2y + -2y

Combine like terms: 2y + -2y = 0
16 + 4y = 20 + 0
16 + 4y = 20

Add '-16' to each side of the equation.
16 + -16 + 4y = 20 + -16

Combine like terms: 16 + -16 = 0
0 + 4y = 20 + -16
4y = 20 + -16

Combine like terms: 20 + -16 = 4
4y = 4

Divide each side by '4'.
y = 1

Simplifying
y = 1

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