8-(3n-7)=8-4n

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Solution for 8-(3n-7)=8-4n equation:


Simplifying
8 + -1(3n + -7) = 8 + -4n

Reorder the terms:
8 + -1(-7 + 3n) = 8 + -4n
8 + (-7 * -1 + 3n * -1) = 8 + -4n
8 + (7 + -3n) = 8 + -4n

Combine like terms: 8 + 7 = 15
15 + -3n = 8 + -4n

Solving
15 + -3n = 8 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
15 + -3n + 4n = 8 + -4n + 4n

Combine like terms: -3n + 4n = 1n
15 + 1n = 8 + -4n + 4n

Combine like terms: -4n + 4n = 0
15 + 1n = 8 + 0
15 + 1n = 8

Add '-15' to each side of the equation.
15 + -15 + 1n = 8 + -15

Combine like terms: 15 + -15 = 0
0 + 1n = 8 + -15
1n = 8 + -15

Combine like terms: 8 + -15 = -7
1n = -7

Divide each side by '1'.
n = -7

Simplifying
n = -7

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