12y-31=8y+5

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Solution for 12y-31=8y+5 equation:


Simplifying
12y + -31 = 8y + 5

Reorder the terms:
-31 + 12y = 8y + 5

Reorder the terms:
-31 + 12y = 5 + 8y

Solving
-31 + 12y = 5 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
-31 + 12y + -8y = 5 + 8y + -8y

Combine like terms: 12y + -8y = 4y
-31 + 4y = 5 + 8y + -8y

Combine like terms: 8y + -8y = 0
-31 + 4y = 5 + 0
-31 + 4y = 5

Add '31' to each side of the equation.
-31 + 31 + 4y = 5 + 31

Combine like terms: -31 + 31 = 0
0 + 4y = 5 + 31
4y = 5 + 31

Combine like terms: 5 + 31 = 36
4y = 36

Divide each side by '4'.
y = 9

Simplifying
y = 9

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