3(c+3)+6c=3(c+7)+3(c+4)-3

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Solution for 3(c+3)+6c=3(c+7)+3(c+4)-3 equation:


Simplifying
3(c + 3) + 6c = 3(c + 7) + 3(c + 4) + -3

Reorder the terms:
3(3 + c) + 6c = 3(c + 7) + 3(c + 4) + -3
(3 * 3 + c * 3) + 6c = 3(c + 7) + 3(c + 4) + -3
(9 + 3c) + 6c = 3(c + 7) + 3(c + 4) + -3

Combine like terms: 3c + 6c = 9c
9 + 9c = 3(c + 7) + 3(c + 4) + -3

Reorder the terms:
9 + 9c = 3(7 + c) + 3(c + 4) + -3
9 + 9c = (7 * 3 + c * 3) + 3(c + 4) + -3
9 + 9c = (21 + 3c) + 3(c + 4) + -3

Reorder the terms:
9 + 9c = 21 + 3c + 3(4 + c) + -3
9 + 9c = 21 + 3c + (4 * 3 + c * 3) + -3
9 + 9c = 21 + 3c + (12 + 3c) + -3

Reorder the terms:
9 + 9c = 21 + 12 + -3 + 3c + 3c

Combine like terms: 21 + 12 = 33
9 + 9c = 33 + -3 + 3c + 3c

Combine like terms: 33 + -3 = 30
9 + 9c = 30 + 3c + 3c

Combine like terms: 3c + 3c = 6c
9 + 9c = 30 + 6c

Solving
9 + 9c = 30 + 6c

Solving for variable 'c'.

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

Add '-6c' to each side of the equation.
9 + 9c + -6c = 30 + 6c + -6c

Combine like terms: 9c + -6c = 3c
9 + 3c = 30 + 6c + -6c

Combine like terms: 6c + -6c = 0
9 + 3c = 30 + 0
9 + 3c = 30

Add '-9' to each side of the equation.
9 + -9 + 3c = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 3c = 30 + -9
3c = 30 + -9

Combine like terms: 30 + -9 = 21
3c = 21

Divide each side by '3'.
c = 7

Simplifying
c = 7

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