-(8y+4)-(-7y-7)=0

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Solution for -(8y+4)-(-7y-7)=0 equation:


Simplifying
-1(8y + 4) + -1(-7y + -7) = 0

Reorder the terms:
-1(4 + 8y) + -1(-7y + -7) = 0
(4 * -1 + 8y * -1) + -1(-7y + -7) = 0
(-4 + -8y) + -1(-7y + -7) = 0

Reorder the terms:
-4 + -8y + -1(-7 + -7y) = 0
-4 + -8y + (-7 * -1 + -7y * -1) = 0
-4 + -8y + (7 + 7y) = 0

Reorder the terms:
-4 + 7 + -8y + 7y = 0

Combine like terms: -4 + 7 = 3
3 + -8y + 7y = 0

Combine like terms: -8y + 7y = -1y
3 + -1y = 0

Solving
3 + -1y = 0

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + -1y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1y = 0 + -3
-1y = 0 + -3

Combine like terms: 0 + -3 = -3
-1y = -3

Divide each side by '-1'.
y = 3

Simplifying
y = 3

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