7(c-9)=9(2c-8)-4c

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Solution for 7(c-9)=9(2c-8)-4c equation:


Simplifying
7(c + -9) = 9(2c + -8) + -4c

Reorder the terms:
7(-9 + c) = 9(2c + -8) + -4c
(-9 * 7 + c * 7) = 9(2c + -8) + -4c
(-63 + 7c) = 9(2c + -8) + -4c

Reorder the terms:
-63 + 7c = 9(-8 + 2c) + -4c
-63 + 7c = (-8 * 9 + 2c * 9) + -4c
-63 + 7c = (-72 + 18c) + -4c

Combine like terms: 18c + -4c = 14c
-63 + 7c = -72 + 14c

Solving
-63 + 7c = -72 + 14c

Solving for variable 'c'.

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

Add '-14c' to each side of the equation.
-63 + 7c + -14c = -72 + 14c + -14c

Combine like terms: 7c + -14c = -7c
-63 + -7c = -72 + 14c + -14c

Combine like terms: 14c + -14c = 0
-63 + -7c = -72 + 0
-63 + -7c = -72

Add '63' to each side of the equation.
-63 + 63 + -7c = -72 + 63

Combine like terms: -63 + 63 = 0
0 + -7c = -72 + 63
-7c = -72 + 63

Combine like terms: -72 + 63 = -9
-7c = -9

Divide each side by '-7'.
c = 1.285714286

Simplifying
c = 1.285714286

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