8y-31=3(y+3)

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Solution for 8y-31=3(y+3) equation:


Simplifying
8y + -31 = 3(y + 3)

Reorder the terms:
-31 + 8y = 3(y + 3)

Reorder the terms:
-31 + 8y = 3(3 + y)
-31 + 8y = (3 * 3 + y * 3)
-31 + 8y = (9 + 3y)

Solving
-31 + 8y = 9 + 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 = 9 + 3y + -3y

Combine like terms: 8y + -3y = 5y
-31 + 5y = 9 + 3y + -3y

Combine like terms: 3y + -3y = 0
-31 + 5y = 9 + 0
-31 + 5y = 9

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

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

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

Divide each side by '5'.
y = 8

Simplifying
y = 8

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