5y+3=21-y

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


Simplifying
5y + 3 = 21 + -1y

Reorder the terms:
3 + 5y = 21 + -1y

Solving
3 + 5y = 21 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
3 + 5y + y = 21 + -1y + y

Combine like terms: 5y + y = 6y
3 + 6y = 21 + -1y + y

Combine like terms: -1y + y = 0
3 + 6y = 21 + 0
3 + 6y = 21

Add '-3' to each side of the equation.
3 + -3 + 6y = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6y = 21 + -3
6y = 21 + -3

Combine like terms: 21 + -3 = 18
6y = 18

Divide each side by '6'.
y = 3

Simplifying
y = 3

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