(y-5)-(y+6)=7

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Solution for (y-5)-(y+6)=7 equation:


Simplifying
(y + -5) + -1(y + 6) = 7

Reorder the terms:
(-5 + y) + -1(y + 6) = 7

Remove parenthesis around (-5 + y)
-5 + y + -1(y + 6) = 7

Reorder the terms:
-5 + y + -1(6 + y) = 7
-5 + y + (6 * -1 + y * -1) = 7
-5 + y + (-6 + -1y) = 7

Reorder the terms:
-5 + -6 + y + -1y = 7

Combine like terms: -5 + -6 = -11
-11 + y + -1y = 7

Combine like terms: y + -1y = 0
-11 + 0 = 7
-11 = 7

Solving
-11 = 7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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