3y+(2y-8)-(y+1)=0

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Solution for 3y+(2y-8)-(y+1)=0 equation:


Simplifying
3y + (2y + -8) + -1(y + 1) = 0

Reorder the terms:
3y + (-8 + 2y) + -1(y + 1) = 0

Remove parenthesis around (-8 + 2y)
3y + -8 + 2y + -1(y + 1) = 0

Reorder the terms:
3y + -8 + 2y + -1(1 + y) = 0
3y + -8 + 2y + (1 * -1 + y * -1) = 0
3y + -8 + 2y + (-1 + -1y) = 0

Reorder the terms:
-8 + -1 + 3y + 2y + -1y = 0

Combine like terms: -8 + -1 = -9
-9 + 3y + 2y + -1y = 0

Combine like terms: 3y + 2y = 5y
-9 + 5y + -1y = 0

Combine like terms: 5y + -1y = 4y
-9 + 4y = 0

Solving
-9 + 4y = 0

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 4y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 4y = 0 + 9
4y = 0 + 9

Combine like terms: 0 + 9 = 9
4y = 9

Divide each side by '4'.
y = 2.25

Simplifying
y = 2.25

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