(4y-8)-(-y-4)=

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Solution for (4y-8)-(-y-4)= equation:


Simplifying
(4y + -8) + -1(-1y + -4) = 0

Reorder the terms:
(-8 + 4y) + -1(-1y + -4) = 0

Remove parenthesis around (-8 + 4y)
-8 + 4y + -1(-1y + -4) = 0

Reorder the terms:
-8 + 4y + -1(-4 + -1y) = 0
-8 + 4y + (-4 * -1 + -1y * -1) = 0
-8 + 4y + (4 + 1y) = 0

Reorder the terms:
-8 + 4 + 4y + 1y = 0

Combine like terms: -8 + 4 = -4
-4 + 4y + 1y = 0

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

Solving
-4 + 5y = 0

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 5y = 0 + 4

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

Combine like terms: 0 + 4 = 4
5y = 4

Divide each side by '5'.
y = 0.8

Simplifying
y = 0.8

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