5n+7(n-3)=

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


Simplifying
5n + 7(n + -3) = 0

Reorder the terms:
5n + 7(-3 + n) = 0
5n + (-3 * 7 + n * 7) = 0
5n + (-21 + 7n) = 0

Reorder the terms:
-21 + 5n + 7n = 0

Combine like terms: 5n + 7n = 12n
-21 + 12n = 0

Solving
-21 + 12n = 0

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 12n = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 12n = 0 + 21
12n = 0 + 21

Combine like terms: 0 + 21 = 21
12n = 21

Divide each side by '12'.
n = 1.75

Simplifying
n = 1.75

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