15+2(13-y)-10=89

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Solution for 15+2(13-y)-10=89 equation:


Simplifying
15 + 2(13 + -1y) + -10 = 89
15 + (13 * 2 + -1y * 2) + -10 = 89
15 + (26 + -2y) + -10 = 89

Reorder the terms:
15 + 26 + -10 + -2y = 89

Combine like terms: 15 + 26 = 41
41 + -10 + -2y = 89

Combine like terms: 41 + -10 = 31
31 + -2y = 89

Solving
31 + -2y = 89

Solving for variable 'y'.

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

Add '-31' to each side of the equation.
31 + -31 + -2y = 89 + -31

Combine like terms: 31 + -31 = 0
0 + -2y = 89 + -31
-2y = 89 + -31

Combine like terms: 89 + -31 = 58
-2y = 58

Divide each side by '-2'.
y = -29

Simplifying
y = -29

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