(7y-9)-(6y-8)=

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Solution for (7y-9)-(6y-8)= equation:


Simplifying
(7y + -9) + -1(6y + -8) = 0

Reorder the terms:
(-9 + 7y) + -1(6y + -8) = 0

Remove parenthesis around (-9 + 7y)
-9 + 7y + -1(6y + -8) = 0

Reorder the terms:
-9 + 7y + -1(-8 + 6y) = 0
-9 + 7y + (-8 * -1 + 6y * -1) = 0
-9 + 7y + (8 + -6y) = 0

Reorder the terms:
-9 + 8 + 7y + -6y = 0

Combine like terms: -9 + 8 = -1
-1 + 7y + -6y = 0

Combine like terms: 7y + -6y = 1y
-1 + 1y = 0

Solving
-1 + 1y = 0

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 1y = 0 + 1

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

Combine like terms: 0 + 1 = 1
1y = 1

Divide each side by '1'.
y = 1

Simplifying
y = 1

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