9(c-9)=6(2c-12)-4c

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Solution for 9(c-9)=6(2c-12)-4c equation:


Simplifying
9(c + -9) = 6(2c + -12) + -4c

Reorder the terms:
9(-9 + c) = 6(2c + -12) + -4c
(-9 * 9 + c * 9) = 6(2c + -12) + -4c
(-81 + 9c) = 6(2c + -12) + -4c

Reorder the terms:
-81 + 9c = 6(-12 + 2c) + -4c
-81 + 9c = (-12 * 6 + 2c * 6) + -4c
-81 + 9c = (-72 + 12c) + -4c

Combine like terms: 12c + -4c = 8c
-81 + 9c = -72 + 8c

Solving
-81 + 9c = -72 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
-81 + 9c + -8c = -72 + 8c + -8c

Combine like terms: 9c + -8c = 1c
-81 + 1c = -72 + 8c + -8c

Combine like terms: 8c + -8c = 0
-81 + 1c = -72 + 0
-81 + 1c = -72

Add '81' to each side of the equation.
-81 + 81 + 1c = -72 + 81

Combine like terms: -81 + 81 = 0
0 + 1c = -72 + 81
1c = -72 + 81

Combine like terms: -72 + 81 = 9
1c = 9

Divide each side by '1'.
c = 9

Simplifying
c = 9

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