15-4c=42

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Solution for 15-4c=42 equation: 


Simplifying
15 + -4c = 42

Solving
15 + -4c = 42

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 + -15 + -4c = 42 + -15

Combine like terms: 15 + -15 = 0
0 + -4c = 42 + -15
-4c = 42 + -15

Combine like terms: 42 + -15 = 27
-4c = 27

Divide each side by '-4'.
c = -6.75

Simplifying
c = -6.75

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