7y-8y-10=13

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Solution for 7y-8y-10=13 equation:


Simplifying
7y + -8y + -10 = 13

Reorder the terms:
-10 + 7y + -8y = 13

Combine like terms: 7y + -8y = -1y
-10 + -1y = 13

Solving
-10 + -1y = 13

Solving for variable 'y'.

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

Add '10' to each side of the equation.
-10 + 10 + -1y = 13 + 10

Combine like terms: -10 + 10 = 0
0 + -1y = 13 + 10
-1y = 13 + 10

Combine like terms: 13 + 10 = 23
-1y = 23

Divide each side by '-1'.
y = -23

Simplifying
y = -23

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