(y+1)-(y-9)=2(5y-6)-8y

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Solution for (y+1)-(y-9)=2(5y-6)-8y equation:


Simplifying
(y + 1) + -1(y + -9) = 2(5y + -6) + -8y

Reorder the terms:
(1 + y) + -1(y + -9) = 2(5y + -6) + -8y

Remove parenthesis around (1 + y)
1 + y + -1(y + -9) = 2(5y + -6) + -8y

Reorder the terms:
1 + y + -1(-9 + y) = 2(5y + -6) + -8y
1 + y + (-9 * -1 + y * -1) = 2(5y + -6) + -8y
1 + y + (9 + -1y) = 2(5y + -6) + -8y

Reorder the terms:
1 + 9 + y + -1y = 2(5y + -6) + -8y

Combine like terms: 1 + 9 = 10
10 + y + -1y = 2(5y + -6) + -8y

Combine like terms: y + -1y = 0
10 + 0 = 2(5y + -6) + -8y
10 = 2(5y + -6) + -8y

Reorder the terms:
10 = 2(-6 + 5y) + -8y
10 = (-6 * 2 + 5y * 2) + -8y
10 = (-12 + 10y) + -8y

Combine like terms: 10y + -8y = 2y
10 = -12 + 2y

Solving
10 = -12 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
10 + -2y = -12 + 2y + -2y

Combine like terms: 2y + -2y = 0
10 + -2y = -12 + 0
10 + -2y = -12

Add '-10' to each side of the equation.
10 + -10 + -2y = -12 + -10

Combine like terms: 10 + -10 = 0
0 + -2y = -12 + -10
-2y = -12 + -10

Combine like terms: -12 + -10 = -22
-2y = -22

Divide each side by '-2'.
y = 11

Simplifying
y = 11

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