10-(3n-9)=7-4n

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Solution for 10-(3n-9)=7-4n equation:


Simplifying
10 + -1(3n + -9) = 7 + -4n

Reorder the terms:
10 + -1(-9 + 3n) = 7 + -4n
10 + (-9 * -1 + 3n * -1) = 7 + -4n
10 + (9 + -3n) = 7 + -4n

Combine like terms: 10 + 9 = 19
19 + -3n = 7 + -4n

Solving
19 + -3n = 7 + -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.
19 + -3n + 4n = 7 + -4n + 4n

Combine like terms: -3n + 4n = 1n
19 + 1n = 7 + -4n + 4n

Combine like terms: -4n + 4n = 0
19 + 1n = 7 + 0
19 + 1n = 7

Add '-19' to each side of the equation.
19 + -19 + 1n = 7 + -19

Combine like terms: 19 + -19 = 0
0 + 1n = 7 + -19
1n = 7 + -19

Combine like terms: 7 + -19 = -12
1n = -12

Divide each side by '1'.
n = -12

Simplifying
n = -12

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