6y-13y-18=-81

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Solution for 6y-13y-18=-81 equation:


Simplifying
6y + -13y + -18 = -81

Reorder the terms:
-18 + 6y + -13y = -81

Combine like terms: 6y + -13y = -7y
-18 + -7y = -81

Solving
-18 + -7y = -81

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + -7y = -81 + 18

Combine like terms: -18 + 18 = 0
0 + -7y = -81 + 18
-7y = -81 + 18

Combine like terms: -81 + 18 = -63
-7y = -63

Divide each side by '-7'.
y = 9

Simplifying
y = 9

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