25c-9+21-15c=

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Solution for 25c-9+21-15c= equation:


Simplifying
25c + -9 + 21 + -15c = 0

Reorder the terms:
-9 + 21 + 25c + -15c = 0

Combine like terms: -9 + 21 = 12
12 + 25c + -15c = 0

Combine like terms: 25c + -15c = 10c
12 + 10c = 0

Solving
12 + 10c = 0

Solving for variable 'c'.

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

Add '-12' to each side of the equation.
12 + -12 + 10c = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 10c = 0 + -12
10c = 0 + -12

Combine like terms: 0 + -12 = -12
10c = -12

Divide each side by '10'.
c = -1.2

Simplifying
c = -1.2

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