5y+9=17y-4y+81

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Solution for 5y+9=17y-4y+81 equation:


Simplifying
5y + 9 = 17y + -4y + 81

Reorder the terms:
9 + 5y = 17y + -4y + 81

Reorder the terms:
9 + 5y = 81 + 17y + -4y

Combine like terms: 17y + -4y = 13y
9 + 5y = 81 + 13y

Solving
9 + 5y = 81 + 13y

Solving for variable 'y'.

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

Add '-13y' to each side of the equation.
9 + 5y + -13y = 81 + 13y + -13y

Combine like terms: 5y + -13y = -8y
9 + -8y = 81 + 13y + -13y

Combine like terms: 13y + -13y = 0
9 + -8y = 81 + 0
9 + -8y = 81

Add '-9' to each side of the equation.
9 + -9 + -8y = 81 + -9

Combine like terms: 9 + -9 = 0
0 + -8y = 81 + -9
-8y = 81 + -9

Combine like terms: 81 + -9 = 72
-8y = 72

Divide each side by '-8'.
y = -9

Simplifying
y = -9

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