7y-15y-16=-72

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Solution for 7y-15y-16=-72 equation:


Simplifying
7y + -15y + -16 = -72

Reorder the terms:
-16 + 7y + -15y = -72

Combine like terms: 7y + -15y = -8y
-16 + -8y = -72

Solving
-16 + -8y = -72

Solving for variable 'y'.

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

Add '16' to each side of the equation.
-16 + 16 + -8y = -72 + 16

Combine like terms: -16 + 16 = 0
0 + -8y = -72 + 16
-8y = -72 + 16

Combine like terms: -72 + 16 = -56
-8y = -56

Divide each side by '-8'.
y = 7

Simplifying
y = 7

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