4(5n^2+7)-3n^2=3(4n^2+9)

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Solution for 4(5n^2+7)-3n^2=3(4n^2+9) equation:


Simplifying
4(5n2 + 7) + -3n2 = 3(4n2 + 9)

Reorder the terms:
4(7 + 5n2) + -3n2 = 3(4n2 + 9)
(7 * 4 + 5n2 * 4) + -3n2 = 3(4n2 + 9)
(28 + 20n2) + -3n2 = 3(4n2 + 9)

Combine like terms: 20n2 + -3n2 = 17n2
28 + 17n2 = 3(4n2 + 9)

Reorder the terms:
28 + 17n2 = 3(9 + 4n2)
28 + 17n2 = (9 * 3 + 4n2 * 3)
28 + 17n2 = (27 + 12n2)

Solving
28 + 17n2 = 27 + 12n2

Solving for variable 'n'.

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

Add '-12n2' to each side of the equation.
28 + 17n2 + -12n2 = 27 + 12n2 + -12n2

Combine like terms: 17n2 + -12n2 = 5n2
28 + 5n2 = 27 + 12n2 + -12n2

Combine like terms: 12n2 + -12n2 = 0
28 + 5n2 = 27 + 0
28 + 5n2 = 27

Add '-28' to each side of the equation.
28 + -28 + 5n2 = 27 + -28

Combine like terms: 28 + -28 = 0
0 + 5n2 = 27 + -28
5n2 = 27 + -28

Combine like terms: 27 + -28 = -1
5n2 = -1

Divide each side by '5'.
n2 = -0.2

Simplifying
n2 = -0.2

Reorder the terms:
0.2 + n2 = -0.2 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.2 + n2 = 0.0

The solution to this equation could not be determined.

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