8=-5(4c+1)+21x

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Solution for 8=-5(4c+1)+21x equation:


Simplifying
8 = -5(4c + 1) + 21x

Reorder the terms:
8 = -5(1 + 4c) + 21x
8 = (1 * -5 + 4c * -5) + 21x
8 = (-5 + -20c) + 21x

Solving
8 = -5 + -20c + 21x

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.
8 + 20c = -5 + -20c + 20c + 21x

Combine like terms: -20c + 20c = 0
8 + 20c = -5 + 0 + 21x
8 + 20c = -5 + 21x

Add '-8' to each side of the equation.
8 + -8 + 20c = -5 + -8 + 21x

Combine like terms: 8 + -8 = 0
0 + 20c = -5 + -8 + 21x
20c = -5 + -8 + 21x

Combine like terms: -5 + -8 = -13
20c = -13 + 21x

Divide each side by '20'.
c = -0.65 + 1.05x

Simplifying
c = -0.65 + 1.05x

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