13=2y+15

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Solution for 13=2y+15 equation:


Simplifying
13 = 2y + 15

Reorder the terms:
13 = 15 + 2y

Solving
13 = 15 + 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.
13 + -2y = 15 + 2y + -2y

Combine like terms: 2y + -2y = 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 = 2
-2y = 2

Divide each side by '-2'.
y = -1

Simplifying
y = -1

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