15=3.4n-2(n-4)

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Solution for 15=3.4n-2(n-4) equation:


Simplifying
15 = 3.4n + -2(n + -4)

Reorder the terms:
15 = 3.4n + -2(-4 + n)
15 = 3.4n + (-4 * -2 + n * -2)
15 = 3.4n + (8 + -2n)

Reorder the terms:
15 = 8 + 3.4n + -2n

Combine like terms: 3.4n + -2n = 1.4n
15 = 8 + 1.4n

Solving
15 = 8 + 1.4n

Solving for variable 'n'.

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

Add '-1.4n' to each side of the equation.
15 + -1.4n = 8 + 1.4n + -1.4n

Combine like terms: 1.4n + -1.4n = 0.0
15 + -1.4n = 8 + 0.0
15 + -1.4n = 8

Add '-15' to each side of the equation.
15 + -15 + -1.4n = 8 + -15

Combine like terms: 15 + -15 = 0
0 + -1.4n = 8 + -15
-1.4n = 8 + -15

Combine like terms: 8 + -15 = -7
-1.4n = -7

Divide each side by '-1.4'.
n = 5

Simplifying
n = 5

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