9.9=7c-9

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Solution for 9.9=7c-9 equation:


Simplifying
9.9 = 7c + -9

Reorder the terms:
9.9 = -9 + 7c

Solving
9.9 = -9 + 7c

Solving for variable 'c'.

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

Add '-7c' to each side of the equation.
9.9 + -7c = -9 + 7c + -7c

Combine like terms: 7c + -7c = 0
9.9 + -7c = -9 + 0
9.9 + -7c = -9

Add '-9.9' to each side of the equation.
9.9 + -9.9 + -7c = -9 + -9.9

Combine like terms: 9.9 + -9.9 = 0.0
0.0 + -7c = -9 + -9.9
-7c = -9 + -9.9

Combine like terms: -9 + -9.9 = -18.9
-7c = -18.9

Divide each side by '-7'.
c = 2.7

Simplifying
c = 2.7

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