3(c+7)=42

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Solution for 3(c+7)=42 equation: 


Simplifying
3(c + 7) = 42

Reorder the terms:
3(7 + c) = 42
(7 * 3 + c * 3) = 42
(21 + 3c) = 42

Solving
21 + 3c = 42

Solving for variable 'c'.

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

Add '-21' to each side of the equation.
21 + -21 + 3c = 42 + -21

Combine like terms: 21 + -21 = 0
0 + 3c = 42 + -21
3c = 42 + -21

Combine like terms: 42 + -21 = 21
3c = 21

Divide each side by '3'.
c = 7

Simplifying
c = 7

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