10c-9+15c-11=180

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Solution for 10c-9+15c-11=180 equation:


Simplifying
10c + -9 + 15c + -11 = 180

Reorder the terms:
-9 + -11 + 10c + 15c = 180

Combine like terms: -9 + -11 = -20
-20 + 10c + 15c = 180

Combine like terms: 10c + 15c = 25c
-20 + 25c = 180

Solving
-20 + 25c = 180

Solving for variable 'c'.

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

Add '20' to each side of the equation.
-20 + 20 + 25c = 180 + 20

Combine like terms: -20 + 20 = 0
0 + 25c = 180 + 20
25c = 180 + 20

Combine like terms: 180 + 20 = 200
25c = 200

Divide each side by '25'.
c = 8

Simplifying
c = 8

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