-3(n-7)=-4n

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


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

Reorder the terms:
-3(-7 + n) = -4n
(-7 * -3 + n * -3) = -4n
(21 + -3n) = -4n

Solving
21 + -3n = -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.
21 + -3n + 4n = -4n + 4n

Combine like terms: -3n + 4n = 1n
21 + 1n = -4n + 4n

Combine like terms: -4n + 4n = 0
21 + 1n = 0

Add '-21' to each side of the equation.
21 + -21 + 1n = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 1n = 0 + -21
1n = 0 + -21

Combine like terms: 0 + -21 = -21
1n = -21

Divide each side by '1'.
n = -21

Simplifying
n = -21

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