9y-2(3y-30)=y+80

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Solution for 9y-2(3y-30)=y+80 equation:


Simplifying
9y + -2(3y + -30) = y + 80

Reorder the terms:
9y + -2(-30 + 3y) = y + 80
9y + (-30 * -2 + 3y * -2) = y + 80
9y + (60 + -6y) = y + 80

Reorder the terms:
60 + 9y + -6y = y + 80

Combine like terms: 9y + -6y = 3y
60 + 3y = y + 80

Reorder the terms:
60 + 3y = 80 + y

Solving
60 + 3y = 80 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
60 + 3y + -1y = 80 + y + -1y

Combine like terms: 3y + -1y = 2y
60 + 2y = 80 + y + -1y

Combine like terms: y + -1y = 0
60 + 2y = 80 + 0
60 + 2y = 80

Add '-60' to each side of the equation.
60 + -60 + 2y = 80 + -60

Combine like terms: 60 + -60 = 0
0 + 2y = 80 + -60
2y = 80 + -60

Combine like terms: 80 + -60 = 20
2y = 20

Divide each side by '2'.
y = 10

Simplifying
y = 10

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