3(x-7)=c

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Solution for 3(x-7)=c equation: 


Simplifying
3(x + -7) = c

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

Solving
-21 + 3x = c

Solving for variable 'x'.

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

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

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

Divide each side by '3'.
x = 7 + 0.3333333333c

Simplifying
x = 7 + 0.3333333333c

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