2n-(5n-7)=-5(n-3)+6

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Solution for 2n-(5n-7)=-5(n-3)+6 equation:


Simplifying
2n + -1(5n + -7) = -5(n + -3) + 6

Reorder the terms:
2n + -1(-7 + 5n) = -5(n + -3) + 6
2n + (-7 * -1 + 5n * -1) = -5(n + -3) + 6
2n + (7 + -5n) = -5(n + -3) + 6

Reorder the terms:
7 + 2n + -5n = -5(n + -3) + 6

Combine like terms: 2n + -5n = -3n
7 + -3n = -5(n + -3) + 6

Reorder the terms:
7 + -3n = -5(-3 + n) + 6
7 + -3n = (-3 * -5 + n * -5) + 6
7 + -3n = (15 + -5n) + 6

Reorder the terms:
7 + -3n = 15 + 6 + -5n

Combine like terms: 15 + 6 = 21
7 + -3n = 21 + -5n

Solving
7 + -3n = 21 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
7 + -3n + 5n = 21 + -5n + 5n

Combine like terms: -3n + 5n = 2n
7 + 2n = 21 + -5n + 5n

Combine like terms: -5n + 5n = 0
7 + 2n = 21 + 0
7 + 2n = 21

Add '-7' to each side of the equation.
7 + -7 + 2n = 21 + -7

Combine like terms: 7 + -7 = 0
0 + 2n = 21 + -7
2n = 21 + -7

Combine like terms: 21 + -7 = 14
2n = 14

Divide each side by '2'.
n = 7

Simplifying
n = 7

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