3y+5y=18-y

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Solution for 3y+5y=18-y equation:


Simplifying
3y + 5y = 18 + -1y

Combine like terms: 3y + 5y = 8y
8y = 18 + -1y

Solving
8y = 18 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
8y + y = 18 + -1y + y

Combine like terms: 8y + y = 9y
9y = 18 + -1y + y

Combine like terms: -1y + y = 0
9y = 18 + 0
9y = 18

Divide each side by '9'.
y = 2

Simplifying
y = 2

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