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

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


Simplifying
3(5 + -1n) + -1(-2)(n + -4) = -1(2n + -5)
(5 * 3 + -1n * 3) + -1(-2)(n + -4) = -1(2n + -5)
(15 + -3n) + -1(-2)(n + -4) = -1(2n + -5)

Reorder the terms:
15 + -3n + -1 * -2(-4 + n) = -1(2n + -5)

Multiply -1 * -2
15 + -3n + 2(-4 + n) = -1(2n + -5)
15 + -3n + (-4 * 2 + n * 2) = -1(2n + -5)
15 + -3n + (-8 + 2n) = -1(2n + -5)

Reorder the terms:
15 + -8 + -3n + 2n = -1(2n + -5)

Combine like terms: 15 + -8 = 7
7 + -3n + 2n = -1(2n + -5)

Combine like terms: -3n + 2n = -1n
7 + -1n = -1(2n + -5)

Reorder the terms:
7 + -1n = -1(-5 + 2n)
7 + -1n = (-5 * -1 + 2n * -1)
7 + -1n = (5 + -2n)

Solving
7 + -1n = 5 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
7 + -1n + 2n = 5 + -2n + 2n

Combine like terms: -1n + 2n = 1n
7 + 1n = 5 + -2n + 2n

Combine like terms: -2n + 2n = 0
7 + 1n = 5 + 0
7 + 1n = 5

Add '-7' to each side of the equation.
7 + -7 + 1n = 5 + -7

Combine like terms: 7 + -7 = 0
0 + 1n = 5 + -7
1n = 5 + -7

Combine like terms: 5 + -7 = -2
1n = -2

Divide each side by '1'.
n = -2

Simplifying
n = -2

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