2x^2+9+7=3

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Solution for 2x^2+9+7=3 equation:


Simplifying
2x2 + 9 + 7 = 3

Reorder the terms:
9 + 7 + 2x2 = 3

Combine like terms: 9 + 7 = 16
16 + 2x2 = 3

Solving
16 + 2x2 = 3

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 2x2 = 3 + -16

Combine like terms: 16 + -16 = 0
0 + 2x2 = 3 + -16
2x2 = 3 + -16

Combine like terms: 3 + -16 = -13
2x2 = -13

Divide each side by '2'.
x2 = -6.5

Simplifying
x2 = -6.5

Reorder the terms:
6.5 + x2 = -6.5 + 6.5

Combine like terms: -6.5 + 6.5 = 0.0
6.5 + x2 = 0.0

The solution to this equation could not be determined.

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