(c-d)+7=7

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


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

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

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

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

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

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

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

Solving
c + -1d = 0

Solving for variable 'c'.

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

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

Combine like terms: -1d + d = 0
c + 0 = 0 + d
c = 0 + d
Remove the zero:
c = d

Simplifying
c = d

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