3(1+-1y)=8+(-5y)

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Solution for 3(1+-1y)=8+(-5y) equation:


Simplifying
3(1 + -1y) = 8 + (-5y)
(1 * 3 + -1y * 3) = 8 + (-5y)
(3 + -3y) = 8 + (-5y)

Solving
3 + -3y = 8 + (-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.
3 + -3y + (5y) = 8 + (-5y) + (5y)

Combine like terms: -3y + (5y) = 2y
3 + 2y = 8 + (-5y) + (5y)

Combine like terms: (-5y) + (5y) = 0
3 + 2y = 8 + 0
3 + 2y = 8

Add '-3' to each side of the equation.
3 + -3 + 2y = 8 + -3

Combine like terms: 3 + -3 = 0
0 + 2y = 8 + -3
2y = 8 + -3

Combine like terms: 8 + -3 = 5
2y = 5

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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