8(c-5)=21

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Solution for 8(c-5)=21 equation: 


Simplifying
8(c + -5) = 21

Reorder the terms:
8(-5 + c) = 21
(-5 * 8 + c * 8) = 21
(-40 + 8c) = 21

Solving
-40 + 8c = 21

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 + 8c = 21 + 40

Combine like terms: -40 + 40 = 0
0 + 8c = 21 + 40
8c = 21 + 40

Combine like terms: 21 + 40 = 61
8c = 61

Divide each side by '8'.
c = 7.625

Simplifying
c = 7.625

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