-13-15=10y-13-9y

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Solution for -13-15=10y-13-9y equation:


Simplifying
-13 + -15 = 10y + -13 + -9y

Combine like terms: -13 + -15 = -28
-28 = 10y + -13 + -9y

Reorder the terms:
-28 = -13 + 10y + -9y

Combine like terms: 10y + -9y = 1y
-28 = -13 + 1y

Solving
-28 = -13 + 1y

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.
-28 + -1y = -13 + 1y + -1y

Combine like terms: 1y + -1y = 0
-28 + -1y = -13 + 0
-28 + -1y = -13

Add '28' to each side of the equation.
-28 + 28 + -1y = -13 + 28

Combine like terms: -28 + 28 = 0
0 + -1y = -13 + 28
-1y = -13 + 28

Combine like terms: -13 + 28 = 15
-1y = 15

Divide each side by '-1'.
y = -15

Simplifying
y = -15

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