4n-7n=-3(-7+2n)-2(n+3)

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Solution for 4n-7n=-3(-7+2n)-2(n+3) equation:


Simplifying
4n + -7n = -3(-7 + 2n) + -2(n + 3)

Combine like terms: 4n + -7n = -3n
-3n = -3(-7 + 2n) + -2(n + 3)
-3n = (-7 * -3 + 2n * -3) + -2(n + 3)
-3n = (21 + -6n) + -2(n + 3)

Reorder the terms:
-3n = 21 + -6n + -2(3 + n)
-3n = 21 + -6n + (3 * -2 + n * -2)
-3n = 21 + -6n + (-6 + -2n)

Reorder the terms:
-3n = 21 + -6 + -6n + -2n

Combine like terms: 21 + -6 = 15
-3n = 15 + -6n + -2n

Combine like terms: -6n + -2n = -8n
-3n = 15 + -8n

Solving
-3n = 15 + -8n

Solving for variable 'n'.

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

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

Combine like terms: -3n + 8n = 5n
5n = 15 + -8n + 8n

Combine like terms: -8n + 8n = 0
5n = 15 + 0
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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