(x-7)-(x-9)=

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Solution for (x-7)-(x-9)= equation: 


Simplifying
(x + -7) + -1(x + -9) = 0

Reorder the terms:
(-7 + x) + -1(x + -9) = 0

Remove parenthesis around (-7 + x)
-7 + x + -1(x + -9) = 0

Reorder the terms:
-7 + x + -1(-9 + x) = 0
-7 + x + (-9 * -1 + x * -1) = 0
-7 + x + (9 + -1x) = 0

Reorder the terms:
-7 + 9 + x + -1x = 0

Combine like terms: -7 + 9 = 2
2 + x + -1x = 0

Combine like terms: x + -1x = 0
2 + 0 = 0
2 = 0

Solving
2 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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