87+6y-40=17y-9-3y

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Solution for 87+6y-40=17y-9-3y equation: 


Simplifying
87 + 6y + -40 = 17y + -9 + -3y

Reorder the terms:
87 + -40 + 6y = 17y + -9 + -3y

Combine like terms: 87 + -40 = 47
47 + 6y = 17y + -9 + -3y

Reorder the terms:
47 + 6y = -9 + 17y + -3y

Combine like terms: 17y + -3y = 14y
47 + 6y = -9 + 14y

Solving
47 + 6y = -9 + 14y

Solving for variable 'y'.

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

Add '-14y' to each side of the equation.
47 + 6y + -14y = -9 + 14y + -14y

Combine like terms: 6y + -14y = -8y
47 + -8y = -9 + 14y + -14y

Combine like terms: 14y + -14y = 0
47 + -8y = -9 + 0
47 + -8y = -9

Add '-47' to each side of the equation.
47 + -47 + -8y = -9 + -47

Combine like terms: 47 + -47 = 0
0 + -8y = -9 + -47
-8y = -9 + -47

Combine like terms: -9 + -47 = -56
-8y = -56

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

Simplifying
y = 7

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