3x^2-7=-X^2+20

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Solution for 3x^2-7=-X^2+20 equation: 


Simplifying
3x2 + -7 = -1X2 + 20

Reorder the terms:
-7 + 3x2 = -1X2 + 20

Reorder the terms:
-7 + 3x2 = 20 + -1X2

Solving
-7 + 3x2 = 20 + -1X2

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 3x2 = 20 + 7 + -1X2

Combine like terms: -7 + 7 = 0
0 + 3x2 = 20 + 7 + -1X2
3x2 = 20 + 7 + -1X2

Combine like terms: 20 + 7 = 27
3x2 = 27 + -1X2

Divide each side by '3'.
x2 = 9 + -0.3333333333X2

Simplifying
x2 = 9 + -0.3333333333X2

Reorder the terms:
-9 + 0.3333333333X2 + x2 = 9 + -0.3333333333X2 + -9 + 0.3333333333X2

Reorder the terms:
-9 + 0.3333333333X2 + x2 = 9 + -9 + -0.3333333333X2 + 0.3333333333X2

Combine like terms: 9 + -9 = 0
-9 + 0.3333333333X2 + x2 = 0 + -0.3333333333X2 + 0.3333333333X2
-9 + 0.3333333333X2 + x2 = -0.3333333333X2 + 0.3333333333X2

Combine like terms: -0.3333333333X2 + 0.3333333333X2 = 0.0000000000
-9 + 0.3333333333X2 + x2 = 0.0000000000

The solution to this equation could not be determined.

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