9y^2-x^2=81

Simple and best practice solution for 9y^2-x^2=81 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 9y^2-x^2=81 equation:


Simplifying
9y2 + -1x2 = 81

Reorder the terms:
-1x2 + 9y2 = 81

Solving
-1x2 + 9y2 = 81

Solving for variable 'x'.

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

Add '-9y2' to each side of the equation.
-1x2 + 9y2 + -9y2 = 81 + -9y2

Combine like terms: 9y2 + -9y2 = 0
-1x2 + 0 = 81 + -9y2
-1x2 = 81 + -9y2

Divide each side by '-1'.
x2 = -81 + 9y2

Simplifying
x2 = -81 + 9y2

Reorder the terms:
81 + x2 + -9y2 = -81 + 9y2 + 81 + -9y2

Reorder the terms:
81 + x2 + -9y2 = -81 + 81 + 9y2 + -9y2

Combine like terms: -81 + 81 = 0
81 + x2 + -9y2 = 0 + 9y2 + -9y2
81 + x2 + -9y2 = 9y2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
81 + x2 + -9y2 = 0

The solution to this equation could not be determined.

See similar equations:

| 3z*7-2=-4 | | 8x+10=6x+40 | | 65m-20= | | 28+15y=17 | | 3(2x-1)+5=-6(x+1) | | 6x-8=7x+8 | | 3z^7-2=-4 | | 21.50/2.50=R | | 5-9+8-y=8-4 | | a^2-22a+113=0 | | 2.50/r=21.50 | | y+(180.5+10)=180 | | -59-4x=46+x | | 5(x+2)=2(x+15) | | 4-9+7-x+4-9=0 | | -8x-46=x+35 | | -3r+9=-4+5 | | 2a-6=2a-14 | | 22=4x-8 | | 4x+1+x=41 | | 6+4-y=-6+8+10 | | =2lnx | | y+(z+10)=180 | | -3x-6=-4x+14 | | ln(x+2)-ln(4x+3)=-lnx | | 5x+8=-7x+-13 | | 3-8(-7x+5)=-6x-37 | | 2k+7=3 | | -47-7x=9x+97 | | 6(c)=18 | | 8p+4(4x-3)=4(6x+4)-4 | | -x+2-5=4-7+1 |

Equations solver categories