(Y-3y-5)-(-y-7y+4)=

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Solution for (Y-3y-5)-(-y-7y+4)= equation:


Simplifying
(Y + -3y + -5) + -1(-1y + -7y + 4) = 0

Reorder the terms:
(-5 + Y + -3y) + -1(-1y + -7y + 4) = 0

Remove parenthesis around (-5 + Y + -3y)
-5 + Y + -3y + -1(-1y + -7y + 4) = 0

Reorder the terms:
-5 + Y + -3y + -1(4 + -1y + -7y) = 0

Combine like terms: -1y + -7y = -8y
-5 + Y + -3y + -1(4 + -8y) = 0
-5 + Y + -3y + (4 * -1 + -8y * -1) = 0
-5 + Y + -3y + (-4 + 8y) = 0

Reorder the terms:
-5 + -4 + Y + -3y + 8y = 0

Combine like terms: -5 + -4 = -9
-9 + Y + -3y + 8y = 0

Combine like terms: -3y + 8y = 5y
-9 + Y + 5y = 0

Solving
-9 + Y + 5y = 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 + Y + 9 + 5y = 0 + 9

Reorder the terms:
-9 + 9 + Y + 5y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + Y + 5y = 0 + 9
Y + 5y = 0 + 9

Combine like terms: 0 + 9 = 9
Y + 5y = 9

Add '-5y' to each side of the equation.
Y + 5y + -5y = 9 + -5y

Combine like terms: 5y + -5y = 0
Y + 0 = 9 + -5y
Y = 9 + -5y

Simplifying
Y = 9 + -5y

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