4[c+7]=7+c

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Solution for 4[c+7]=7+c equation:


Simplifying
4[c + 7] = 7 + c

Reorder the terms:
4[7 + c] = 7 + c
[7 * 4 + c * 4] = 7 + c
[28 + 4c] = 7 + c

Solving
28 + 4c = 7 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
28 + 4c + -1c = 7 + c + -1c

Combine like terms: 4c + -1c = 3c
28 + 3c = 7 + c + -1c

Combine like terms: c + -1c = 0
28 + 3c = 7 + 0
28 + 3c = 7

Add '-28' to each side of the equation.
28 + -28 + 3c = 7 + -28

Combine like terms: 28 + -28 = 0
0 + 3c = 7 + -28
3c = 7 + -28

Combine like terms: 7 + -28 = -21
3c = -21

Divide each side by '3'.
c = -7

Simplifying
c = -7

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