2(n-4)+5n=20

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Solution for 2(n-4)+5n=20 equation:


Simplifying
2(n + -4) + 5n = 20

Reorder the terms:
2(-4 + n) + 5n = 20
(-4 * 2 + n * 2) + 5n = 20
(-8 + 2n) + 5n = 20

Combine like terms: 2n + 5n = 7n
-8 + 7n = 20

Solving
-8 + 7n = 20

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 + 7n = 20 + 8

Combine like terms: -8 + 8 = 0
0 + 7n = 20 + 8
7n = 20 + 8

Combine like terms: 20 + 8 = 28
7n = 28

Divide each side by '7'.
n = 4

Simplifying
n = 4

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