2y-8=y+13

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Solution for 2y-8=y+13 equation:


Simplifying
2y + -8 = y + 13

Reorder the terms:
-8 + 2y = y + 13

Reorder the terms:
-8 + 2y = 13 + y

Solving
-8 + 2y = 13 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-8 + 2y + -1y = 13 + y + -1y

Combine like terms: 2y + -1y = 1y
-8 + 1y = 13 + y + -1y

Combine like terms: y + -1y = 0
-8 + 1y = 13 + 0
-8 + 1y = 13

Add '8' to each side of the equation.
-8 + 8 + 1y = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 1y = 13 + 8
1y = 13 + 8

Combine like terms: 13 + 8 = 21
1y = 21

Divide each side by '1'.
y = 21

Simplifying
y = 21

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