7n+5(n-3)=13n

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Solution for 7n+5(n-3)=13n equation:


Simplifying
7n + 5(n + -3) = 13n

Reorder the terms:
7n + 5(-3 + n) = 13n
7n + (-3 * 5 + n * 5) = 13n
7n + (-15 + 5n) = 13n

Reorder the terms:
-15 + 7n + 5n = 13n

Combine like terms: 7n + 5n = 12n
-15 + 12n = 13n

Solving
-15 + 12n = 13n

Solving for variable 'n'.

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

Add '-13n' to each side of the equation.
-15 + 12n + -13n = 13n + -13n

Combine like terms: 12n + -13n = -1n
-15 + -1n = 13n + -13n

Combine like terms: 13n + -13n = 0
-15 + -1n = 0

Add '15' to each side of the equation.
-15 + 15 + -1n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -1n = 0 + 15
-1n = 0 + 15

Combine like terms: 0 + 15 = 15
-1n = 15

Divide each side by '-1'.
n = -15

Simplifying
n = -15

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