(-8y+5)-(-7y-7)=-6

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Solution for (-8y+5)-(-7y-7)=-6 equation:


Simplifying
(-8y + 5) + -1(-7y + -7) = -6

Reorder the terms:
(5 + -8y) + -1(-7y + -7) = -6

Remove parenthesis around (5 + -8y)
5 + -8y + -1(-7y + -7) = -6

Reorder the terms:
5 + -8y + -1(-7 + -7y) = -6
5 + -8y + (-7 * -1 + -7y * -1) = -6
5 + -8y + (7 + 7y) = -6

Reorder the terms:
5 + 7 + -8y + 7y = -6

Combine like terms: 5 + 7 = 12
12 + -8y + 7y = -6

Combine like terms: -8y + 7y = -1y
12 + -1y = -6

Solving
12 + -1y = -6

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + -1y = -6 + -12

Combine like terms: 12 + -12 = 0
0 + -1y = -6 + -12
-1y = -6 + -12

Combine like terms: -6 + -12 = -18
-1y = -18

Divide each side by '-1'.
y = 18

Simplifying
y = 18

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