7k-8+2c=-9

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Solution for 7k-8+2c=-9 equation:


Simplifying
7k + -8 + 2c = -9

Reorder the terms:
-8 + 2c + 7k = -9

Solving
-8 + 2c + 7k = -9

Solving for variable 'c'.

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

Add '8' to each side of the equation.
-8 + 2c + 8 + 7k = -9 + 8

Reorder the terms:
-8 + 8 + 2c + 7k = -9 + 8

Combine like terms: -8 + 8 = 0
0 + 2c + 7k = -9 + 8
2c + 7k = -9 + 8

Combine like terms: -9 + 8 = -1
2c + 7k = -1

Add '-7k' to each side of the equation.
2c + 7k + -7k = -1 + -7k

Combine like terms: 7k + -7k = 0
2c + 0 = -1 + -7k
2c = -1 + -7k

Divide each side by '2'.
c = -0.5 + -3.5k

Simplifying
c = -0.5 + -3.5k

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