2c+42=8c+9

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Solution for 2c+42=8c+9 equation:


Simplifying
2c + 42 = 8c + 9

Reorder the terms:
42 + 2c = 8c + 9

Reorder the terms:
42 + 2c = 9 + 8c

Solving
42 + 2c = 9 + 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.
42 + 2c + -8c = 9 + 8c + -8c

Combine like terms: 2c + -8c = -6c
42 + -6c = 9 + 8c + -8c

Combine like terms: 8c + -8c = 0
42 + -6c = 9 + 0
42 + -6c = 9

Add '-42' to each side of the equation.
42 + -42 + -6c = 9 + -42

Combine like terms: 42 + -42 = 0
0 + -6c = 9 + -42
-6c = 9 + -42

Combine like terms: 9 + -42 = -33
-6c = -33

Divide each side by '-6'.
c = 5.5

Simplifying
c = 5.5

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