3+8y=87+y

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Solution for 3+8y=87+y equation:


Simplifying
3 + 8y = 87 + y

Solving
3 + 8y = 87 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
3 + 8y + -1y = 87 + y + -1y

Combine like terms: 8y + -1y = 7y
3 + 7y = 87 + y + -1y

Combine like terms: y + -1y = 0
3 + 7y = 87 + 0
3 + 7y = 87

Add '-3' to each side of the equation.
3 + -3 + 7y = 87 + -3

Combine like terms: 3 + -3 = 0
0 + 7y = 87 + -3
7y = 87 + -3

Combine like terms: 87 + -3 = 84
7y = 84

Divide each side by '7'.
y = 12

Simplifying
y = 12

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