2-8c-20=0

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Solution for 2-8c-20=0 equation:


Simplifying
2 + -8c + -20 = 0

Reorder the terms:
2 + -20 + -8c = 0

Combine like terms: 2 + -20 = -18
-18 + -8c = 0

Solving
-18 + -8c = 0

Solving for variable 'c'.

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

Add '18' to each side of the equation.
-18 + 18 + -8c = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -8c = 0 + 18
-8c = 0 + 18

Combine like terms: 0 + 18 = 18
-8c = 18

Divide each side by '-8'.
c = -2.25

Simplifying
c = -2.25

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