9(c-6)=8(c-9)

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Solution for 9(c-6)=8(c-9) equation:


Simplifying
9(c + -6) = 8(c + -9)

Reorder the terms:
9(-6 + c) = 8(c + -9)
(-6 * 9 + c * 9) = 8(c + -9)
(-54 + 9c) = 8(c + -9)

Reorder the terms:
-54 + 9c = 8(-9 + c)
-54 + 9c = (-9 * 8 + c * 8)
-54 + 9c = (-72 + 8c)

Solving
-54 + 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.
-54 + 9c + -8c = -72 + 8c + -8c

Combine like terms: 9c + -8c = 1c
-54 + 1c = -72 + 8c + -8c

Combine like terms: 8c + -8c = 0
-54 + 1c = -72 + 0
-54 + 1c = -72

Add '54' to each side of the equation.
-54 + 54 + 1c = -72 + 54

Combine like terms: -54 + 54 = 0
0 + 1c = -72 + 54
1c = -72 + 54

Combine like terms: -72 + 54 = -18
1c = -18

Divide each side by '1'.
c = -18

Simplifying
c = -18

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