9(y-9)=-5y+31

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Solution for 9(y-9)=-5y+31 equation:


Simplifying
9(y + -9) = -5y + 31

Reorder the terms:
9(-9 + y) = -5y + 31
(-9 * 9 + y * 9) = -5y + 31
(-81 + 9y) = -5y + 31

Reorder the terms:
-81 + 9y = 31 + -5y

Solving
-81 + 9y = 31 + -5y

Solving for variable 'y'.

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

Add '5y' to each side of the equation.
-81 + 9y + 5y = 31 + -5y + 5y

Combine like terms: 9y + 5y = 14y
-81 + 14y = 31 + -5y + 5y

Combine like terms: -5y + 5y = 0
-81 + 14y = 31 + 0
-81 + 14y = 31

Add '81' to each side of the equation.
-81 + 81 + 14y = 31 + 81

Combine like terms: -81 + 81 = 0
0 + 14y = 31 + 81
14y = 31 + 81

Combine like terms: 31 + 81 = 112
14y = 112

Divide each side by '14'.
y = 8

Simplifying
y = 8

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