15c+30=.3(102-12c)

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Solution for 15c+30=.3(102-12c) equation:


Simplifying
15c + 30 = 0.3(102 + -12c)

Reorder the terms:
30 + 15c = 0.3(102 + -12c)
30 + 15c = (102 * 0.3 + -12c * 0.3)
30 + 15c = (30.6 + -3.6c)

Solving
30 + 15c = 30.6 + -3.6c

Solving for variable 'c'.

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

Add '3.6c' to each side of the equation.
30 + 15c + 3.6c = 30.6 + -3.6c + 3.6c

Combine like terms: 15c + 3.6c = 18.6c
30 + 18.6c = 30.6 + -3.6c + 3.6c

Combine like terms: -3.6c + 3.6c = 0.0
30 + 18.6c = 30.6 + 0.0
30 + 18.6c = 30.6

Add '-30' to each side of the equation.
30 + -30 + 18.6c = 30.6 + -30

Combine like terms: 30 + -30 = 0
0 + 18.6c = 30.6 + -30
18.6c = 30.6 + -30

Combine like terms: 30.6 + -30 = 0.6
18.6c = 0.6

Divide each side by '18.6'.
c = 0.03225806452

Simplifying
c = 0.03225806452

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