9(c+7)=8c-9

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Solution for 9(c+7)=8c-9 equation: 


Simplifying
9(c + 7) = 8c + -9

Reorder the terms:
9(7 + c) = 8c + -9
(7 * 9 + c * 9) = 8c + -9
(63 + 9c) = 8c + -9

Reorder the terms:
63 + 9c = -9 + 8c

Solving
63 + 9c = -9 + 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.
63 + 9c + -8c = -9 + 8c + -8c

Combine like terms: 9c + -8c = 1c
63 + 1c = -9 + 8c + -8c

Combine like terms: 8c + -8c = 0
63 + 1c = -9 + 0
63 + 1c = -9

Add '-63' to each side of the equation.
63 + -63 + 1c = -9 + -63

Combine like terms: 63 + -63 = 0
0 + 1c = -9 + -63
1c = -9 + -63

Combine like terms: -9 + -63 = -72
1c = -72

Divide each side by '1'.
c = -72

Simplifying
c = -72

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