(13-13y)-(18+15y)=

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Solution for (13-13y)-(18+15y)= equation:


Simplifying
(13 + -13y) + -1(18 + 15y) = 0

Remove parenthesis around (13 + -13y)
13 + -13y + -1(18 + 15y) = 0
13 + -13y + (18 * -1 + 15y * -1) = 0
13 + -13y + (-18 + -15y) = 0

Reorder the terms:
13 + -18 + -13y + -15y = 0

Combine like terms: 13 + -18 = -5
-5 + -13y + -15y = 0

Combine like terms: -13y + -15y = -28y
-5 + -28y = 0

Solving
-5 + -28y = 0

Solving for variable 'y'.

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

Add '5' to each side of the equation.
-5 + 5 + -28y = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -28y = 0 + 5
-28y = 0 + 5

Combine like terms: 0 + 5 = 5
-28y = 5

Divide each side by '-28'.
y = -0.1785714286

Simplifying
y = -0.1785714286

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