8y-31=13-3y

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Solution for 8y-31=13-3y equation:


Simplifying
8y + -31 = 13 + -3y

Reorder the terms:
-31 + 8y = 13 + -3y

Solving
-31 + 8y = 13 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
-31 + 8y + 3y = 13 + -3y + 3y

Combine like terms: 8y + 3y = 11y
-31 + 11y = 13 + -3y + 3y

Combine like terms: -3y + 3y = 0
-31 + 11y = 13 + 0
-31 + 11y = 13

Add '31' to each side of the equation.
-31 + 31 + 11y = 13 + 31

Combine like terms: -31 + 31 = 0
0 + 11y = 13 + 31
11y = 13 + 31

Combine like terms: 13 + 31 = 44
11y = 44

Divide each side by '11'.
y = 4

Simplifying
y = 4

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