15c-16=20c-31

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Solution for 15c-16=20c-31 equation:


Simplifying
15c + -16 = 20c + -31

Reorder the terms:
-16 + 15c = 20c + -31

Reorder the terms:
-16 + 15c = -31 + 20c

Solving
-16 + 15c = -31 + 20c

Solving for variable 'c'.

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

Add '-20c' to each side of the equation.
-16 + 15c + -20c = -31 + 20c + -20c

Combine like terms: 15c + -20c = -5c
-16 + -5c = -31 + 20c + -20c

Combine like terms: 20c + -20c = 0
-16 + -5c = -31 + 0
-16 + -5c = -31

Add '16' to each side of the equation.
-16 + 16 + -5c = -31 + 16

Combine like terms: -16 + 16 = 0
0 + -5c = -31 + 16
-5c = -31 + 16

Combine like terms: -31 + 16 = -15
-5c = -15

Divide each side by '-5'.
c = 3

Simplifying
c = 3

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