3c+2(c-1)=13

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Solution for 3c+2(c-1)=13 equation:


Simplifying
3c + 2(c + -1) = 13

Reorder the terms:
3c + 2(-1 + c) = 13
3c + (-1 * 2 + c * 2) = 13
3c + (-2 + 2c) = 13

Reorder the terms:
-2 + 3c + 2c = 13

Combine like terms: 3c + 2c = 5c
-2 + 5c = 13

Solving
-2 + 5c = 13

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2 + 5c = 13 + 2

Combine like terms: -2 + 2 = 0
0 + 5c = 13 + 2
5c = 13 + 2

Combine like terms: 13 + 2 = 15
5c = 15

Divide each side by '5'.
c = 3

Simplifying
c = 3

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