15c-10-7c=40-2c

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Solution for 15c-10-7c=40-2c equation:


Simplifying
15c + -10 + -7c = 40 + -2c

Reorder the terms:
-10 + 15c + -7c = 40 + -2c

Combine like terms: 15c + -7c = 8c
-10 + 8c = 40 + -2c

Solving
-10 + 8c = 40 + -2c

Solving for variable 'c'.

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

Add '2c' to each side of the equation.
-10 + 8c + 2c = 40 + -2c + 2c

Combine like terms: 8c + 2c = 10c
-10 + 10c = 40 + -2c + 2c

Combine like terms: -2c + 2c = 0
-10 + 10c = 40 + 0
-10 + 10c = 40

Add '10' to each side of the equation.
-10 + 10 + 10c = 40 + 10

Combine like terms: -10 + 10 = 0
0 + 10c = 40 + 10
10c = 40 + 10

Combine like terms: 40 + 10 = 50
10c = 50

Divide each side by '10'.
c = 5

Simplifying
c = 5

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