3(7+3n)-5=31-6n

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Solution for 3(7+3n)-5=31-6n equation:


Simplifying
3(7 + 3n) + -5 = 31 + -6n
(7 * 3 + 3n * 3) + -5 = 31 + -6n
(21 + 9n) + -5 = 31 + -6n

Reorder the terms:
21 + -5 + 9n = 31 + -6n

Combine like terms: 21 + -5 = 16
16 + 9n = 31 + -6n

Solving
16 + 9n = 31 + -6n

Solving for variable 'n'.

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

Add '6n' to each side of the equation.
16 + 9n + 6n = 31 + -6n + 6n

Combine like terms: 9n + 6n = 15n
16 + 15n = 31 + -6n + 6n

Combine like terms: -6n + 6n = 0
16 + 15n = 31 + 0
16 + 15n = 31

Add '-16' to each side of the equation.
16 + -16 + 15n = 31 + -16

Combine like terms: 16 + -16 = 0
0 + 15n = 31 + -16
15n = 31 + -16

Combine like terms: 31 + -16 = 15
15n = 15

Divide each side by '15'.
n = 1

Simplifying
n = 1

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