(5-10c)(-8)=20

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Solution for (5-10c)(-8)=20 equation:


Simplifying
(5 + -10c)(-8) = 20

Reorder the terms for easier multiplication:
-8(5 + -10c) = 20
(5 * -8 + -10c * -8) = 20
(-40 + 80c) = 20

Solving
-40 + 80c = 20

Solving for variable 'c'.

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

Add '40' to each side of the equation.
-40 + 40 + 80c = 20 + 40

Combine like terms: -40 + 40 = 0
0 + 80c = 20 + 40
80c = 20 + 40

Combine like terms: 20 + 40 = 60
80c = 60

Divide each side by '80'.
c = 0.75

Simplifying
c = 0.75

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