7y=3y-80

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Solution for 7y=3y-80 equation: 


Simplifying
7y = 3y + -80

Reorder the terms:
7y = -80 + 3y

Solving
7y = -80 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
7y + -3y = -80 + 3y + -3y

Combine like terms: 7y + -3y = 4y
4y = -80 + 3y + -3y

Combine like terms: 3y + -3y = 0
4y = -80 + 0
4y = -80

Divide each side by '4'.
y = -20

Simplifying
y = -20

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