3(5n+4)=51+2n

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Solution for 3(5n+4)=51+2n equation:


Simplifying
3(5n + 4) = 51 + 2n

Reorder the terms:
3(4 + 5n) = 51 + 2n
(4 * 3 + 5n * 3) = 51 + 2n
(12 + 15n) = 51 + 2n

Solving
12 + 15n = 51 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
12 + 15n + -2n = 51 + 2n + -2n

Combine like terms: 15n + -2n = 13n
12 + 13n = 51 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + 13n = 51 + 0
12 + 13n = 51

Add '-12' to each side of the equation.
12 + -12 + 13n = 51 + -12

Combine like terms: 12 + -12 = 0
0 + 13n = 51 + -12
13n = 51 + -12

Combine like terms: 51 + -12 = 39
13n = 39

Divide each side by '13'.
n = 3

Simplifying
n = 3

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