39+3n=3(7n-5)

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Solution for 39+3n=3(7n-5) equation:


Simplifying
39 + 3n = 3(7n + -5)

Reorder the terms:
39 + 3n = 3(-5 + 7n)
39 + 3n = (-5 * 3 + 7n * 3)
39 + 3n = (-15 + 21n)

Solving
39 + 3n = -15 + 21n

Solving for variable 'n'.

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

Add '-21n' to each side of the equation.
39 + 3n + -21n = -15 + 21n + -21n

Combine like terms: 3n + -21n = -18n
39 + -18n = -15 + 21n + -21n

Combine like terms: 21n + -21n = 0
39 + -18n = -15 + 0
39 + -18n = -15

Add '-39' to each side of the equation.
39 + -39 + -18n = -15 + -39

Combine like terms: 39 + -39 = 0
0 + -18n = -15 + -39
-18n = -15 + -39

Combine like terms: -15 + -39 = -54
-18n = -54

Divide each side by '-18'.
n = 3

Simplifying
n = 3

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