7(x-y)=7x-7y

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


Simplifying
7(x + -1y) = 7x + -7y
(x * 7 + -1y * 7) = 7x + -7y
(7x + -7y) = 7x + -7y

Add '-7x' to each side of the equation.
7x + -7x + -7y = 7x + -7x + -7y

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

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

Add '7y' to each side of the equation.
-7y + 7y = -7y + 7y

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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