15=4.3G-2.1(n-4)

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Solution for 15=4.3G-2.1(n-4) equation: 


Simplifying
15 = 4.3G + -2.1(n + -4)

Reorder the terms:
15 = 4.3G + -2.1(-4 + n)
15 = 4.3G + (-4 * -2.1 + n * -2.1)
15 = 4.3G + (8.4 + -2.1n)

Reorder the terms:
15 = 8.4 + 4.3G + -2.1n

Solving
15 = 8.4 + 4.3G + -2.1n

Solving for variable 'G'.

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

Add '-4.3G' to each side of the equation.
15 + -4.3G = 8.4 + 4.3G + -4.3G + -2.1n

Combine like terms: 4.3G + -4.3G = 0.0
15 + -4.3G = 8.4 + 0.0 + -2.1n
15 + -4.3G = 8.4 + -2.1n

Add '-15' to each side of the equation.
15 + -15 + -4.3G = 8.4 + -15 + -2.1n

Combine like terms: 15 + -15 = 0
0 + -4.3G = 8.4 + -15 + -2.1n
-4.3G = 8.4 + -15 + -2.1n

Combine like terms: 8.4 + -15 = -6.6
-4.3G = -6.6 + -2.1n

Divide each side by '-4.3'.
G = 1.534883721 + 0.488372093n

Simplifying
G = 1.534883721 + 0.488372093n

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