3(5c-2)=21

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Solution for 3(5c-2)=21 equation: 


Simplifying
3(5c + -2) = 21

Reorder the terms:
3(-2 + 5c) = 21
(-2 * 3 + 5c * 3) = 21
(-6 + 15c) = 21

Solving
-6 + 15c = 21

Solving for variable 'c'.

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

Add '6' to each side of the equation.
-6 + 6 + 15c = 21 + 6

Combine like terms: -6 + 6 = 0
0 + 15c = 21 + 6
15c = 21 + 6

Combine like terms: 21 + 6 = 27
15c = 27

Divide each side by '15'.
c = 1.8

Simplifying
c = 1.8

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