5(5c-1)-6=21c+9

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Solution for 5(5c-1)-6=21c+9 equation:


Simplifying
5(5c + -1) + -6 = 21c + 9

Reorder the terms:
5(-1 + 5c) + -6 = 21c + 9
(-1 * 5 + 5c * 5) + -6 = 21c + 9
(-5 + 25c) + -6 = 21c + 9

Reorder the terms:
-5 + -6 + 25c = 21c + 9

Combine like terms: -5 + -6 = -11
-11 + 25c = 21c + 9

Reorder the terms:
-11 + 25c = 9 + 21c

Solving
-11 + 25c = 9 + 21c

Solving for variable 'c'.

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

Add '-21c' to each side of the equation.
-11 + 25c + -21c = 9 + 21c + -21c

Combine like terms: 25c + -21c = 4c
-11 + 4c = 9 + 21c + -21c

Combine like terms: 21c + -21c = 0
-11 + 4c = 9 + 0
-11 + 4c = 9

Add '11' to each side of the equation.
-11 + 11 + 4c = 9 + 11

Combine like terms: -11 + 11 = 0
0 + 4c = 9 + 11
4c = 9 + 11

Combine like terms: 9 + 11 = 20
4c = 20

Divide each side by '4'.
c = 5

Simplifying
c = 5

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