n(7+6)-3(12-n)=

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Solution for n(7+6)-3(12-n)= equation:


Simplifying
n(7 + 6) + -3(12 + -1n) = 0

Combine like terms: 7 + 6 = 13
n(13) + -3(12 + -1n) = 0

Reorder the terms for easier multiplication:
13n + -3(12 + -1n) = 0
13n + (12 * -3 + -1n * -3) = 0
13n + (-36 + 3n) = 0

Reorder the terms:
-36 + 13n + 3n = 0

Combine like terms: 13n + 3n = 16n
-36 + 16n = 0

Solving
-36 + 16n = 0

Solving for variable 'n'.

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

Add '36' to each side of the equation.
-36 + 36 + 16n = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 16n = 0 + 36
16n = 0 + 36

Combine like terms: 0 + 36 = 36
16n = 36

Divide each side by '16'.
n = 2.25

Simplifying
n = 2.25

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