9x^2+y^2=18

Simple and best practice solution for 9x^2+y^2=18 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 9x^2+y^2=18 equation: 


Simplifying
9x2 + y2 = 18

Solving
9x2 + y2 = 18

Solving for variable 'x'.

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

Add '-1y2' to each side of the equation.
9x2 + y2 + -1y2 = 18 + -1y2

Combine like terms: y2 + -1y2 = 0
9x2 + 0 = 18 + -1y2
9x2 = 18 + -1y2

Divide each side by '9'.
x2 = 2 + -0.1111111111y2

Simplifying
x2 = 2 + -0.1111111111y2

Reorder the terms:
-2 + x2 + 0.1111111111y2 = 2 + -0.1111111111y2 + -2 + 0.1111111111y2

Reorder the terms:
-2 + x2 + 0.1111111111y2 = 2 + -2 + -0.1111111111y2 + 0.1111111111y2

Combine like terms: 2 + -2 = 0
-2 + x2 + 0.1111111111y2 = 0 + -0.1111111111y2 + 0.1111111111y2
-2 + x2 + 0.1111111111y2 = -0.1111111111y2 + 0.1111111111y2

Combine like terms: -0.1111111111y2 + 0.1111111111y2 = 0.0000000000
-2 + x2 + 0.1111111111y2 = 0.0000000000

The solution to this equation could not be determined.

See similar equations:

| 4b^2-6b-40= | | 0.3=(x-6)/x | | M+6.25=44.25 | | 9x20/-5 | | k+4-2k=-27k | | 0.88=-4sin(x) | | 15u-29=-5(-3u+3) | | (3/4)^x=(64/27) | | -10=2(w+6) | | 3(6.23-3.91)= | | 1.07X=142.5972359 | | 1.07X=152.5790424 | | -6c=3 | | 1.07X=163.2595754 | | 1.07X=174.6877457 | | 7.123-4.2= | | 1.07X=186.9158879 | | 1.07X=200 | | 12n^2+16n=0 | | 2x-x+13=18-5x+2 | | x*0.07x*0.07x*0.07x*0.07x=200 | | 4b^2-6b-4= | | Y=12+0.3x | | y^2=-y+8 | | C=2pi*10-12 | | x^2-2x=-11 | | 1.07x=87.34387283 | | 43+x+y=180 | | 4p+yx-x=-5q | | 1.07x=93.45794393 | | 5/12•3/2= | | 5/12•3/2 |

Equations solver categories