15=5-8+3c

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Solution for 15=5-8+3c equation:


Simplifying
15 = 5 + -8 + 3c

Combine like terms: 5 + -8 = -3
15 = -3 + 3c

Solving
15 = -3 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.
15 + -3c = -3 + 3c + -3c

Combine like terms: 3c + -3c = 0
15 + -3c = -3 + 0
15 + -3c = -3

Add '-15' to each side of the equation.
15 + -15 + -3c = -3 + -15

Combine like terms: 15 + -15 = 0
0 + -3c = -3 + -15
-3c = -3 + -15

Combine like terms: -3 + -15 = -18
-3c = -18

Divide each side by '-3'.
c = 6

Simplifying
c = 6

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