3n+2(1n-4)=7

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Solution for 3n+2(1n-4)=7 equation:


Simplifying
3n + 2(1n + -4) = 7

Reorder the terms:
3n + 2(-4 + 1n) = 7
3n + (-4 * 2 + 1n * 2) = 7
3n + (-8 + 2n) = 7

Reorder the terms:
-8 + 3n + 2n = 7

Combine like terms: 3n + 2n = 5n
-8 + 5n = 7

Solving
-8 + 5n = 7

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 5n = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 5n = 7 + 8
5n = 7 + 8

Combine like terms: 7 + 8 = 15
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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