15c-4(3c+3)=13

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Solution for 15c-4(3c+3)=13 equation:


Simplifying
15c + -4(3c + 3) = 13

Reorder the terms:
15c + -4(3 + 3c) = 13
15c + (3 * -4 + 3c * -4) = 13
15c + (-12 + -12c) = 13

Reorder the terms:
-12 + 15c + -12c = 13

Combine like terms: 15c + -12c = 3c
-12 + 3c = 13

Solving
-12 + 3c = 13

Solving for variable 'c'.

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

Add '12' to each side of the equation.
-12 + 12 + 3c = 13 + 12

Combine like terms: -12 + 12 = 0
0 + 3c = 13 + 12
3c = 13 + 12

Combine like terms: 13 + 12 = 25
3c = 25

Divide each side by '3'.
c = 8.333333333

Simplifying
c = 8.333333333

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