(c-6)-(c+9)=6c

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


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

Reorder the terms:
(-6 + c) + -1(c + 9) = 6c

Remove parenthesis around (-6 + c)
-6 + c + -1(c + 9) = 6c

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

Reorder the terms:
-6 + -9 + c + -1c = 6c

Combine like terms: -6 + -9 = -15
-15 + c + -1c = 6c

Combine like terms: c + -1c = 0
-15 + 0 = 6c
-15 = 6c

Solving
-15 = 6c

Solving for variable 'c'.

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

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

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

Add '15' to each side of the equation.
-15 + 15 + -6c = 0 + 15

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

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

Divide each side by '-6'.
c = -2.5

Simplifying
c = -2.5

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