39=(c-4)*13

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Solution for 39=(c-4)*13 equation:


Simplifying
39 = (c + -4) * 13

Reorder the terms:
39 = (-4 + c) * 13

Reorder the terms for easier multiplication:
39 = 13(-4 + c)
39 = (-4 * 13 + c * 13)
39 = (-52 + 13c)

Solving
39 = -52 + 13c

Solving for variable 'c'.

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

Add '-13c' to each side of the equation.
39 + -13c = -52 + 13c + -13c

Combine like terms: 13c + -13c = 0
39 + -13c = -52 + 0
39 + -13c = -52

Add '-39' to each side of the equation.
39 + -39 + -13c = -52 + -39

Combine like terms: 39 + -39 = 0
0 + -13c = -52 + -39
-13c = -52 + -39

Combine like terms: -52 + -39 = -91
-13c = -91

Divide each side by '-13'.
c = 7

Simplifying
c = 7

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