5n-3(n-7)=4+3n

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


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

Reorder the terms:
5n + -3(-7 + n) = 4 + 3n
5n + (-7 * -3 + n * -3) = 4 + 3n
5n + (21 + -3n) = 4 + 3n

Reorder the terms:
21 + 5n + -3n = 4 + 3n

Combine like terms: 5n + -3n = 2n
21 + 2n = 4 + 3n

Solving
21 + 2n = 4 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
21 + 2n + -3n = 4 + 3n + -3n

Combine like terms: 2n + -3n = -1n
21 + -1n = 4 + 3n + -3n

Combine like terms: 3n + -3n = 0
21 + -1n = 4 + 0
21 + -1n = 4

Add '-21' to each side of the equation.
21 + -21 + -1n = 4 + -21

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

Combine like terms: 4 + -21 = -17
-1n = -17

Divide each side by '-1'.
n = 17

Simplifying
n = 17

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