9x^2+4y^2-8z^2=72

Simple and best practice solution for 9x^2+4y^2-8z^2=72 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+4y^2-8z^2=72 equation: 


Simplifying
9x2 + 4y2 + -8z2 = 72

Solving
9x2 + 4y2 + -8z2 = 72

Solving for variable 'x'.

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

Add '-4y2' to each side of the equation.
9x2 + 4y2 + -4y2 + -8z2 = 72 + -4y2

Combine like terms: 4y2 + -4y2 = 0
9x2 + 0 + -8z2 = 72 + -4y2
9x2 + -8z2 = 72 + -4y2

Add '8z2' to each side of the equation.
9x2 + -8z2 + 8z2 = 72 + -4y2 + 8z2

Combine like terms: -8z2 + 8z2 = 0
9x2 + 0 = 72 + -4y2 + 8z2
9x2 = 72 + -4y2 + 8z2

Divide each side by '9'.
x2 = 8 + -0.4444444444y2 + 0.8888888889z2

Simplifying
x2 = 8 + -0.4444444444y2 + 0.8888888889z2

Reorder the terms:
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 8 + -0.4444444444y2 + 0.8888888889z2 + -8 + 0.4444444444y2 + -0.8888888889z2

Reorder the terms:
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 8 + -8 + -0.4444444444y2 + 0.4444444444y2 + 0.8888888889z2 + -0.8888888889z2

Combine like terms: 8 + -8 = 0
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 0 + -0.4444444444y2 + 0.4444444444y2 + 0.8888888889z2 + -0.8888888889z2
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = -0.4444444444y2 + 0.4444444444y2 + 0.8888888889z2 + -0.8888888889z2

Combine like terms: -0.4444444444y2 + 0.4444444444y2 = 0.0000000000
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 0.0000000000 + 0.8888888889z2 + -0.8888888889z2
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 0.8888888889z2 + -0.8888888889z2

Combine like terms: 0.8888888889z2 + -0.8888888889z2 = 0.0000000000
-8 + x2 + 0.4444444444y2 + -0.8888888889z2 = 0.0000000000

The solution to this equation could not be determined.

See similar equations:

| 2a+b=4a-ac | | 5(y-8)-8y=-37 | | 4y+9-2y-8= | | (8w^4)(-w^7)=7w^11 | | 2x+5=x-2+1/2x-x | | n^2=-16-10n | | 18/3+2 | | -3x+10= | | (8w^4)(-w^7)=11 | | -3x+2x=20 | | 36-1/30(4x)=27-1/30(3x) | | 152=19k | | 4/5=x/5 | | -6(u+1)=2(1-3u)-8 | | -2(9+5x)=-38 | | 3y+2=y+24 | | 12-3x=3(x-8) | | -2+w=100 | | 4w+5.2=28 | | 2x+18=16-(4x+7) | | 5(a-8)+9=3(a-7) | | -2(d+b)=-10 | | -6(u+1)=2(1-3u)8 | | 15x-5+3x=3(6x-2) | | 2.7(z+6)+4.6z= | | x+5/7=12 | | 0.14/0.07=x/5 | | 2(10+x)=20 | | 12y+5=-1 | | 3b-3=24-b | | -8(n-1)-2n=-8n+20 | | 6y-14=32 |

Equations solver categories