-(8y+1)-(-7y-8)=5

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Solution for -(8y+1)-(-7y-8)=5 equation: 


Simplifying
-1(8y + 1) + -1(-7y + -8) = 5

Reorder the terms:
-1(1 + 8y) + -1(-7y + -8) = 5
(1 * -1 + 8y * -1) + -1(-7y + -8) = 5
(-1 + -8y) + -1(-7y + -8) = 5

Reorder the terms:
-1 + -8y + -1(-8 + -7y) = 5
-1 + -8y + (-8 * -1 + -7y * -1) = 5
-1 + -8y + (8 + 7y) = 5

Reorder the terms:
-1 + 8 + -8y + 7y = 5

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

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

Solving
7 + -1y = 5

Solving for variable 'y'.

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

Add '-7' to each side of the equation.
7 + -7 + -1y = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = 5 + -7
-1y = 5 + -7

Combine like terms: 5 + -7 = -2
-1y = -2

Divide each side by '-1'.
y = 2

Simplifying
y = 2

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