c+15=4c-45

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Solution for c+15=4c-45 equation:


Simplifying
c + 15 = 4c + -45

Reorder the terms:
15 + c = 4c + -45

Reorder the terms:
15 + c = -45 + 4c

Solving
15 + c = -45 + 4c

Solving for variable 'c'.

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

Add '-4c' to each side of the equation.
15 + c + -4c = -45 + 4c + -4c

Combine like terms: c + -4c = -3c
15 + -3c = -45 + 4c + -4c

Combine like terms: 4c + -4c = 0
15 + -3c = -45 + 0
15 + -3c = -45

Add '-15' to each side of the equation.
15 + -15 + -3c = -45 + -15

Combine like terms: 15 + -15 = 0
0 + -3c = -45 + -15
-3c = -45 + -15

Combine like terms: -45 + -15 = -60
-3c = -60

Divide each side by '-3'.
c = 20

Simplifying
c = 20

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