13y-80=-7y

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Solution for 13y-80=-7y equation:


Simplifying
13y + -80 = -7y

Reorder the terms:
-80 + 13y = -7y

Solving
-80 + 13y = -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-80 + 13y + 7y = -7y + 7y

Combine like terms: 13y + 7y = 20y
-80 + 20y = -7y + 7y

Combine like terms: -7y + 7y = 0
-80 + 20y = 0

Add '80' to each side of the equation.
-80 + 80 + 20y = 0 + 80

Combine like terms: -80 + 80 = 0
0 + 20y = 0 + 80
20y = 0 + 80

Combine like terms: 0 + 80 = 80
20y = 80

Divide each side by '20'.
y = 4

Simplifying
y = 4

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