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

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


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

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

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

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

Reorder the terms:
-5 + 5 + y + -1y = 7y

Combine like terms: -5 + 5 = 0
0 + y + -1y = 7y
y + -1y = 7y

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

Solving
0 = 7y

Solving for variable 'y'.

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

Add '-7y' to each side of the equation.
0 + -7y = 7y + -7y
Remove the zero:
-7y = 7y + -7y

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

Divide each side by '-7'.
y = 0

Simplifying
y = 0

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