-7r-9c=1

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Solution for -7r-9c=1 equation: 


Simplifying
-7r + -9c = 1

Reorder the terms:
-9c + -7r = 1

Solving
-9c + -7r = 1

Solving for variable 'c'.

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

Add '7r' to each side of the equation.
-9c + -7r + 7r = 1 + 7r

Combine like terms: -7r + 7r = 0
-9c + 0 = 1 + 7r
-9c = 1 + 7r

Divide each side by '-9'.
c = -0.1111111111 + -0.7777777778r

Simplifying
c = -0.1111111111 + -0.7777777778r

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