3y+7=31-5y

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Solution for 3y+7=31-5y equation:


Simplifying
3y + 7 = 31 + -5y

Reorder the terms:
7 + 3y = 31 + -5y

Solving
7 + 3y = 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.
7 + 3y + 5y = 31 + -5y + 5y

Combine like terms: 3y + 5y = 8y
7 + 8y = 31 + -5y + 5y

Combine like terms: -5y + 5y = 0
7 + 8y = 31 + 0
7 + 8y = 31

Add '-7' to each side of the equation.
7 + -7 + 8y = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 8y = 31 + -7
8y = 31 + -7

Combine like terms: 31 + -7 = 24
8y = 24

Divide each side by '8'.
y = 3

Simplifying
y = 3

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