5c-2(c+4)=31

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Solution for 5c-2(c+4)=31 equation:


Simplifying
5c + -2(c + 4) = 31

Reorder the terms:
5c + -2(4 + c) = 31
5c + (4 * -2 + c * -2) = 31
5c + (-8 + -2c) = 31

Reorder the terms:
-8 + 5c + -2c = 31

Combine like terms: 5c + -2c = 3c
-8 + 3c = 31

Solving
-8 + 3c = 31

Solving for variable 'c'.

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

Add '8' to each side of the equation.
-8 + 8 + 3c = 31 + 8

Combine like terms: -8 + 8 = 0
0 + 3c = 31 + 8
3c = 31 + 8

Combine like terms: 31 + 8 = 39
3c = 39

Divide each side by '3'.
c = 13

Simplifying
c = 13

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