c+d+15=22

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Solution for c+d+15=22 equation:


Simplifying
c + d + 15 = 22

Reorder the terms:
15 + c + d = 22

Solving
15 + c + d = 22

Solving for variable 'c'.

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

Add '-15' to each side of the equation.
15 + c + -15 + d = 22 + -15

Reorder the terms:
15 + -15 + c + d = 22 + -15

Combine like terms: 15 + -15 = 0
0 + c + d = 22 + -15
c + d = 22 + -15

Combine like terms: 22 + -15 = 7
c + d = 7

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

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

Simplifying
c = 7 + -1d

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