15=c-7

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Solution for 15=c-7 equation: 


Simplifying
15 = c + -7

Reorder the terms:
15 = -7 + c

Solving
15 = -7 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
15 + -1c = -7 + c + -1c

Combine like terms: c + -1c = 0
15 + -1c = -7 + 0
15 + -1c = -7

Add '-15' to each side of the equation.
15 + -15 + -1c = -7 + -15

Combine like terms: 15 + -15 = 0
0 + -1c = -7 + -15
-1c = -7 + -15

Combine like terms: -7 + -15 = -22
-1c = -22

Divide each side by '-1'.
c = 22

Simplifying
c = 22

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