3[c+5]=12

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Solution for 3[c+5]=12 equation: 


Simplifying
3[c + 5] = 12

Reorder the terms:
3[5 + c] = 12
[5 * 3 + c * 3] = 12
[15 + 3c] = 12

Solving
15 + 3c = 12

Solving for variable 'c'.

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

Add '-15' to each side of the equation.
15 + -15 + 3c = 12 + -15

Combine like terms: 15 + -15 = 0
0 + 3c = 12 + -15
3c = 12 + -15

Combine like terms: 12 + -15 = -3
3c = -3

Divide each side by '3'.
c = -1

Simplifying
c = -1

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