21+36c+2(6c-3)=6(2c+1)

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Solution for 21+36c+2(6c-3)=6(2c+1) equation:


Simplifying
21 + 36c + 2(6c + -3) = 6(2c + 1)

Reorder the terms:
21 + 36c + 2(-3 + 6c) = 6(2c + 1)
21 + 36c + (-3 * 2 + 6c * 2) = 6(2c + 1)
21 + 36c + (-6 + 12c) = 6(2c + 1)

Reorder the terms:
21 + -6 + 36c + 12c = 6(2c + 1)

Combine like terms: 21 + -6 = 15
15 + 36c + 12c = 6(2c + 1)

Combine like terms: 36c + 12c = 48c
15 + 48c = 6(2c + 1)

Reorder the terms:
15 + 48c = 6(1 + 2c)
15 + 48c = (1 * 6 + 2c * 6)
15 + 48c = (6 + 12c)

Solving
15 + 48c = 6 + 12c

Solving for variable 'c'.

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

Add '-12c' to each side of the equation.
15 + 48c + -12c = 6 + 12c + -12c

Combine like terms: 48c + -12c = 36c
15 + 36c = 6 + 12c + -12c

Combine like terms: 12c + -12c = 0
15 + 36c = 6 + 0
15 + 36c = 6

Add '-15' to each side of the equation.
15 + -15 + 36c = 6 + -15

Combine like terms: 15 + -15 = 0
0 + 36c = 6 + -15
36c = 6 + -15

Combine like terms: 6 + -15 = -9
36c = -9

Divide each side by '36'.
c = -0.25

Simplifying
c = -0.25

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