3y-12+7y-42+y+34=180

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Solution for 3y-12+7y-42+y+34=180 equation: 


Simplifying
3y + -12 + 7y + -42 + y + 34 = 180

Reorder the terms:
-12 + -42 + 34 + 3y + 7y + y = 180

Combine like terms: -12 + -42 = -54
-54 + 34 + 3y + 7y + y = 180

Combine like terms: -54 + 34 = -20
-20 + 3y + 7y + y = 180

Combine like terms: 3y + 7y = 10y
-20 + 10y + y = 180

Combine like terms: 10y + y = 11y
-20 + 11y = 180

Solving
-20 + 11y = 180

Solving for variable 'y'.

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

Add '20' to each side of the equation.
-20 + 20 + 11y = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 11y = 180 + 20
11y = 180 + 20

Combine like terms: 180 + 20 = 200
11y = 200

Divide each side by '11'.
y = 18.18181818

Simplifying
y = 18.18181818

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