7*3c=42c

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Solution for 7*3c=42c equation: 


Simplifying
7 * 3c = 42c

Multiply 7 * 3
21c = 42c

Solving
21c = 42c

Solving for variable 'c'.

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

Add '-42c' to each side of the equation.
21c + -42c = 42c + -42c

Combine like terms: 21c + -42c = -21c
-21c = 42c + -42c

Combine like terms: 42c + -42c = 0
-21c = 0

Divide each side by '-21'.
c = 0

Simplifying
c = 0

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