15=4.3n-2.11(n-4)

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Solution for 15=4.3n-2.11(n-4) equation:


Simplifying
15 = 4.3n + -2.11(n + -4)

Reorder the terms:
15 = 4.3n + -2.11(-4 + n)
15 = 4.3n + (-4 * -2.11 + n * -2.11)
15 = 4.3n + (8.44 + -2.11n)

Reorder the terms:
15 = 8.44 + 4.3n + -2.11n

Combine like terms: 4.3n + -2.11n = 2.19n
15 = 8.44 + 2.19n

Solving
15 = 8.44 + 2.19n

Solving for variable 'n'.

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

Add '-2.19n' to each side of the equation.
15 + -2.19n = 8.44 + 2.19n + -2.19n

Combine like terms: 2.19n + -2.19n = 0.00
15 + -2.19n = 8.44 + 0.00
15 + -2.19n = 8.44

Add '-15' to each side of the equation.
15 + -15 + -2.19n = 8.44 + -15

Combine like terms: 15 + -15 = 0
0 + -2.19n = 8.44 + -15
-2.19n = 8.44 + -15

Combine like terms: 8.44 + -15 = -6.56
-2.19n = -6.56

Divide each side by '-2.19'.
n = 2.99543379

Simplifying
n = 2.99543379

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