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

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


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

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

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

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

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

Combine like terms: -7 + -6 = -13
-13 + 8y + -6y = 0

Combine like terms: 8y + -6y = 2y
-13 + 2y = 0

Solving
-13 + 2y = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + 2y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 2y = 0 + 13
2y = 0 + 13

Combine like terms: 0 + 13 = 13
2y = 13

Divide each side by '2'.
y = 6.5

Simplifying
y = 6.5

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