(5y-5)-(7y-7)=

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Solution for (5y-5)-(7y-7)= equation:


Simplifying
(5y + -5) + -1(7y + -7) = 0

Reorder the terms:
(-5 + 5y) + -1(7y + -7) = 0

Remove parenthesis around (-5 + 5y)
-5 + 5y + -1(7y + -7) = 0

Reorder the terms:
-5 + 5y + -1(-7 + 7y) = 0
-5 + 5y + (-7 * -1 + 7y * -1) = 0
-5 + 5y + (7 + -7y) = 0

Reorder the terms:
-5 + 7 + 5y + -7y = 0

Combine like terms: -5 + 7 = 2
2 + 5y + -7y = 0

Combine like terms: 5y + -7y = -2y
2 + -2y = 0

Solving
2 + -2y = 0

Solving for variable 'y'.

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

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

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

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

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

Simplifying
y = 1

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