3(n-4)=5(n+9)

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Solution for 3(n-4)=5(n+9) equation:


Simplifying
3(n + -4) = 5(n + 9)

Reorder the terms:
3(-4 + n) = 5(n + 9)
(-4 * 3 + n * 3) = 5(n + 9)
(-12 + 3n) = 5(n + 9)

Reorder the terms:
-12 + 3n = 5(9 + n)
-12 + 3n = (9 * 5 + n * 5)
-12 + 3n = (45 + 5n)

Solving
-12 + 3n = 45 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-12 + 3n + -5n = 45 + 5n + -5n

Combine like terms: 3n + -5n = -2n
-12 + -2n = 45 + 5n + -5n

Combine like terms: 5n + -5n = 0
-12 + -2n = 45 + 0
-12 + -2n = 45

Add '12' to each side of the equation.
-12 + 12 + -2n = 45 + 12

Combine like terms: -12 + 12 = 0
0 + -2n = 45 + 12
-2n = 45 + 12

Combine like terms: 45 + 12 = 57
-2n = 57

Divide each side by '-2'.
n = -28.5

Simplifying
n = -28.5

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