4(5c-1)-1=18c+9

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Solution for 4(5c-1)-1=18c+9 equation:


Simplifying
4(5c + -1) + -1 = 18c + 9

Reorder the terms:
4(-1 + 5c) + -1 = 18c + 9
(-1 * 4 + 5c * 4) + -1 = 18c + 9
(-4 + 20c) + -1 = 18c + 9

Reorder the terms:
-4 + -1 + 20c = 18c + 9

Combine like terms: -4 + -1 = -5
-5 + 20c = 18c + 9

Reorder the terms:
-5 + 20c = 9 + 18c

Solving
-5 + 20c = 9 + 18c

Solving for variable 'c'.

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

Add '-18c' to each side of the equation.
-5 + 20c + -18c = 9 + 18c + -18c

Combine like terms: 20c + -18c = 2c
-5 + 2c = 9 + 18c + -18c

Combine like terms: 18c + -18c = 0
-5 + 2c = 9 + 0
-5 + 2c = 9

Add '5' to each side of the equation.
-5 + 5 + 2c = 9 + 5

Combine like terms: -5 + 5 = 0
0 + 2c = 9 + 5
2c = 9 + 5

Combine like terms: 9 + 5 = 14
2c = 14

Divide each side by '2'.
c = 7

Simplifying
c = 7

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