4x^2-5y^2=20

Simple and best practice solution for 4x^2-5y^2=20 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 4x^2-5y^2=20 equation:


Simplifying
4x2 + -5y2 = 20

Solving
4x2 + -5y2 = 20

Solving for variable 'x'.

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

Add '5y2' to each side of the equation.
4x2 + -5y2 + 5y2 = 20 + 5y2

Combine like terms: -5y2 + 5y2 = 0
4x2 + 0 = 20 + 5y2
4x2 = 20 + 5y2

Divide each side by '4'.
x2 = 5 + 1.25y2

Simplifying
x2 = 5 + 1.25y2

Reorder the terms:
-5 + x2 + -1.25y2 = 5 + 1.25y2 + -5 + -1.25y2

Reorder the terms:
-5 + x2 + -1.25y2 = 5 + -5 + 1.25y2 + -1.25y2

Combine like terms: 5 + -5 = 0
-5 + x2 + -1.25y2 = 0 + 1.25y2 + -1.25y2
-5 + x2 + -1.25y2 = 1.25y2 + -1.25y2

Combine like terms: 1.25y2 + -1.25y2 = 0.00
-5 + x2 + -1.25y2 = 0.00

The solution to this equation could not be determined.

See similar equations:

| 2b+3a+-1ab=0 | | 2x+7-5x=-17 | | 2b+3a-ab= | | r/7=1,400 | | -2x-3x-26=39 | | 2x+22=3+8x-5 | | 7-x-x=x+1+2x | | 2x+63+3x=8 | | 102=17y | | 4x^2-21+11=-9x+6 | | 2x+y=540 | | 7x-15x-16=-72 | | 3x-y+7=0 | | 12xy-8x^2=0 | | 2x+16=3x+8 | | 4.9x^2+2x-45=0 | | x(x+2)+x(x-5)=0 | | 16=y/3 | | 4.9x^2+2x-40=0 | | 15x+21=2x+7 | | 43.24-9.2x=0 | | 12v+18=3(-4v+6) | | -3-3y=-15 | | 0=(2x-13)(2x-7) | | 136=y+114 | | h=3(p+2k) | | 8x+3y+9=0 | | 7n+5n=60 | | 6x-3x-x=8 | | 8u-4=4u | | 7x-10y=4 | | 21=y-20 |

Equations solver categories