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

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


Simplifying
(6y + -8) + -1(8y + 7) = 0

Reorder the terms:
(-8 + 6y) + -1(8y + 7) = 0

Remove parenthesis around (-8 + 6y)
-8 + 6y + -1(8y + 7) = 0

Reorder the terms:
-8 + 6y + -1(7 + 8y) = 0
-8 + 6y + (7 * -1 + 8y * -1) = 0
-8 + 6y + (-7 + -8y) = 0

Reorder the terms:
-8 + -7 + 6y + -8y = 0

Combine like terms: -8 + -7 = -15
-15 + 6y + -8y = 0

Combine like terms: 6y + -8y = -2y
-15 + -2y = 0

Solving
-15 + -2y = 0

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + -2y = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -2y = 0 + 15
-2y = 0 + 15

Combine like terms: 0 + 15 = 15
-2y = 15

Divide each side by '-2'.
y = -7.5

Simplifying
y = -7.5

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