0.5(c+4)=21

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Solution for 0.5(c+4)=21 equation:


Simplifying
0.5(c + 4) = 21

Reorder the terms:
0.5(4 + c) = 21
(4 * 0.5 + c * 0.5) = 21
(2 + 0.5c) = 21

Solving
2 + 0.5c = 21

Solving for variable 'c'.

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

Add '-2' to each side of the equation.
2 + -2 + 0.5c = 21 + -2

Combine like terms: 2 + -2 = 0
0 + 0.5c = 21 + -2
0.5c = 21 + -2

Combine like terms: 21 + -2 = 19
0.5c = 19

Divide each side by '0.5'.
c = 38

Simplifying
c = 38

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