5y-9=10y+31

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Solution for 5y-9=10y+31 equation:


Simplifying
5y + -9 = 10y + 31

Reorder the terms:
-9 + 5y = 10y + 31

Reorder the terms:
-9 + 5y = 31 + 10y

Solving
-9 + 5y = 31 + 10y

Solving for variable 'y'.

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

Add '-10y' to each side of the equation.
-9 + 5y + -10y = 31 + 10y + -10y

Combine like terms: 5y + -10y = -5y
-9 + -5y = 31 + 10y + -10y

Combine like terms: 10y + -10y = 0
-9 + -5y = 31 + 0
-9 + -5y = 31

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

Combine like terms: -9 + 9 = 0
0 + -5y = 31 + 9
-5y = 31 + 9

Combine like terms: 31 + 9 = 40
-5y = 40

Divide each side by '-5'.
y = -8

Simplifying
y = -8

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