13c+40=8c-20

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Solution for 13c+40=8c-20 equation:


Simplifying
13c + 40 = 8c + -20

Reorder the terms:
40 + 13c = 8c + -20

Reorder the terms:
40 + 13c = -20 + 8c

Solving
40 + 13c = -20 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
40 + 13c + -8c = -20 + 8c + -8c

Combine like terms: 13c + -8c = 5c
40 + 5c = -20 + 8c + -8c

Combine like terms: 8c + -8c = 0
40 + 5c = -20 + 0
40 + 5c = -20

Add '-40' to each side of the equation.
40 + -40 + 5c = -20 + -40

Combine like terms: 40 + -40 = 0
0 + 5c = -20 + -40
5c = -20 + -40

Combine like terms: -20 + -40 = -60
5c = -60

Divide each side by '5'.
c = -12

Simplifying
c = -12

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