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

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


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

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

Combine like terms: -7 + -7 = -14
-14 + 1x + 1x = 0

Combine like terms: 1x + 1x = 2x
-14 + 2x = 0

Solving
-14 + 2x = 0

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 2x = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 2x = 0 + 14
2x = 0 + 14

Combine like terms: 0 + 14 = 14
2x = 14

Divide each side by '2'.
x = 7

Simplifying
x = 7

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