3y-13=y+15

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Solution for 3y-13=y+15 equation:


Simplifying
3y + -13 = y + 15

Reorder the terms:
-13 + 3y = y + 15

Reorder the terms:
-13 + 3y = 15 + y

Solving
-13 + 3y = 15 + 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.
-13 + 3y + -1y = 15 + y + -1y

Combine like terms: 3y + -1y = 2y
-13 + 2y = 15 + y + -1y

Combine like terms: y + -1y = 0
-13 + 2y = 15 + 0
-13 + 2y = 15

Add '13' to each side of the equation.
-13 + 13 + 2y = 15 + 13

Combine like terms: -13 + 13 = 0
0 + 2y = 15 + 13
2y = 15 + 13

Combine like terms: 15 + 13 = 28
2y = 28

Divide each side by '2'.
y = 14

Simplifying
y = 14

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