4c+9+2(c-12)=15

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Solution for 4c+9+2(c-12)=15 equation:


Simplifying
4c + 9 + 2(c + -12) = 15

Reorder the terms:
4c + 9 + 2(-12 + c) = 15
4c + 9 + (-12 * 2 + c * 2) = 15
4c + 9 + (-24 + 2c) = 15

Reorder the terms:
9 + -24 + 4c + 2c = 15

Combine like terms: 9 + -24 = -15
-15 + 4c + 2c = 15

Combine like terms: 4c + 2c = 6c
-15 + 6c = 15

Solving
-15 + 6c = 15

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 + 6c = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 6c = 15 + 15
6c = 15 + 15

Combine like terms: 15 + 15 = 30
6c = 30

Divide each side by '6'.
c = 5

Simplifying
c = 5

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