13-c+15-c=22

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Solution for 13-c+15-c=22 equation:


Simplifying
13 + -1c + 15 + -1c = 22

Reorder the terms:
13 + 15 + -1c + -1c = 22

Combine like terms: 13 + 15 = 28
28 + -1c + -1c = 22

Combine like terms: -1c + -1c = -2c
28 + -2c = 22

Solving
28 + -2c = 22

Solving for variable 'c'.

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

Add '-28' to each side of the equation.
28 + -28 + -2c = 22 + -28

Combine like terms: 28 + -28 = 0
0 + -2c = 22 + -28
-2c = 22 + -28

Combine like terms: 22 + -28 = -6
-2c = -6

Divide each side by '-2'.
c = 3

Simplifying
c = 3

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