30+.15c+15=30+.25(c-200)+20

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Solution for 30+.15c+15=30+.25(c-200)+20 equation:


Simplifying
30 + 0.15c + 15 = 30 + 0.25(c + -200) + 20

Reorder the terms:
30 + 15 + 0.15c = 30 + 0.25(c + -200) + 20

Combine like terms: 30 + 15 = 45
45 + 0.15c = 30 + 0.25(c + -200) + 20

Reorder the terms:
45 + 0.15c = 30 + 0.25(-200 + c) + 20
45 + 0.15c = 30 + (-200 * 0.25 + c * 0.25) + 20
45 + 0.15c = 30 + (-50 + 0.25c) + 20

Reorder the terms:
45 + 0.15c = 30 + -50 + 20 + 0.25c

Combine like terms: 30 + -50 = -20
45 + 0.15c = -20 + 20 + 0.25c

Combine like terms: -20 + 20 = 0
45 + 0.15c = 0 + 0.25c
45 + 0.15c = 0.25c

Solving
45 + 0.15c = 0.25c

Solving for variable 'c'.

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

Add '-0.25c' to each side of the equation.
45 + 0.15c + -0.25c = 0.25c + -0.25c

Combine like terms: 0.15c + -0.25c = -0.1c
45 + -0.1c = 0.25c + -0.25c

Combine like terms: 0.25c + -0.25c = 0.00
45 + -0.1c = 0.00

Add '-45' to each side of the equation.
45 + -45 + -0.1c = 0.00 + -45

Combine like terms: 45 + -45 = 0
0 + -0.1c = 0.00 + -45
-0.1c = 0.00 + -45

Combine like terms: 0.00 + -45 = -45
-0.1c = -45

Divide each side by '-0.1'.
c = 450

Simplifying
c = 450

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