(x+7)-c=x

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


Simplifying
(x + 7) + -1c = x

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

Remove parenthesis around (7 + x)
7 + x + -1c = x

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

Add '-1x' to each side of the equation.
7 + -1c + x + -1x = x + -1x

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

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

Solving
7 + -1c = 0

Solving for variable 'c'.

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

Add '-7' to each side of the equation.
7 + -7 + -1c = 0 + -7

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

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

Divide each side by '-1'.
c = 7

Simplifying
c = 7

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