-(8y+2)-(-7y-7)=4

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Solution for -(8y+2)-(-7y-7)=4 equation:


Simplifying
-1(8y + 2) + -1(-7y + -7) = 4

Reorder the terms:
-1(2 + 8y) + -1(-7y + -7) = 4
(2 * -1 + 8y * -1) + -1(-7y + -7) = 4
(-2 + -8y) + -1(-7y + -7) = 4

Reorder the terms:
-2 + -8y + -1(-7 + -7y) = 4
-2 + -8y + (-7 * -1 + -7y * -1) = 4
-2 + -8y + (7 + 7y) = 4

Reorder the terms:
-2 + 7 + -8y + 7y = 4

Combine like terms: -2 + 7 = 5
5 + -8y + 7y = 4

Combine like terms: -8y + 7y = -1y
5 + -1y = 4

Solving
5 + -1y = 4

Solving for variable 'y'.

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

Add '-5' to each side of the equation.
5 + -5 + -1y = 4 + -5

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

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

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

Simplifying
y = 1

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