(10-c)+(20-c)=24

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Solution for (10-c)+(20-c)=24 equation:


Simplifying
(10 + -1c) + (20 + -1c) = 24

Remove parenthesis around (10 + -1c)
10 + -1c + (20 + -1c) = 24

Remove parenthesis around (20 + -1c)
10 + -1c + 20 + -1c = 24

Reorder the terms:
10 + 20 + -1c + -1c = 24

Combine like terms: 10 + 20 = 30
30 + -1c + -1c = 24

Combine like terms: -1c + -1c = -2c
30 + -2c = 24

Solving
30 + -2c = 24

Solving for variable 'c'.

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

Add '-30' to each side of the equation.
30 + -30 + -2c = 24 + -30

Combine like terms: 30 + -30 = 0
0 + -2c = 24 + -30
-2c = 24 + -30

Combine like terms: 24 + -30 = -6
-2c = -6

Divide each side by '-2'.
c = 3

Simplifying
c = 3

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