15-4(3c+2)=13

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Solution for 15-4(3c+2)=13 equation:


Simplifying
15 + -4(3c + 2) = 13

Reorder the terms:
15 + -4(2 + 3c) = 13
15 + (2 * -4 + 3c * -4) = 13
15 + (-8 + -12c) = 13

Combine like terms: 15 + -8 = 7
7 + -12c = 13

Solving
7 + -12c = 13

Solving for variable 'c'.

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

Add '-7' to each side of the equation.
7 + -7 + -12c = 13 + -7

Combine like terms: 7 + -7 = 0
0 + -12c = 13 + -7
-12c = 13 + -7

Combine like terms: 13 + -7 = 6
-12c = 6

Divide each side by '-12'.
c = -0.5

Simplifying
c = -0.5

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