(7n-4n)-3(2n-5)=0

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Solution for (7n-4n)-3(2n-5)=0 equation:


Simplifying
(7n + -4n) + -3(2n + -5) = 0

Combine like terms: 7n + -4n = 3n
(3n) + -3(2n + -5) = 0
(3n) + -3(2n + -5) = 0

Reorder the terms:
(3n) + -3(-5 + 2n) = 0
(3n) + (-5 * -3 + 2n * -3) = 0
(3n) + (15 + -6n) = 0

Reorder the terms:
15 + (3n) + -6n = 0

Combine like terms: (3n) + -6n = -3n
15 + -3n = 0

Solving
15 + -3n = 0

Solving for variable 'n'.

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

Add '-15' to each side of the equation.
15 + -15 + -3n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -3n = 0 + -15
-3n = 0 + -15

Combine like terms: 0 + -15 = -15
-3n = -15

Divide each side by '-3'.
n = 5

Simplifying
n = 5

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