2x^2+3y^2=21

Simple and best practice solution for 2x^2+3y^2=21 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 2x^2+3y^2=21 equation:


Simplifying
2x2 + 3y2 = 21

Solving
2x2 + 3y2 = 21

Solving for variable 'x'.

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

Add '-3y2' to each side of the equation.
2x2 + 3y2 + -3y2 = 21 + -3y2

Combine like terms: 3y2 + -3y2 = 0
2x2 + 0 = 21 + -3y2
2x2 = 21 + -3y2

Divide each side by '2'.
x2 = 10.5 + -1.5y2

Simplifying
x2 = 10.5 + -1.5y2

Reorder the terms:
-10.5 + x2 + 1.5y2 = 10.5 + -1.5y2 + -10.5 + 1.5y2

Reorder the terms:
-10.5 + x2 + 1.5y2 = 10.5 + -10.5 + -1.5y2 + 1.5y2

Combine like terms: 10.5 + -10.5 = 0.0
-10.5 + x2 + 1.5y2 = 0.0 + -1.5y2 + 1.5y2
-10.5 + x2 + 1.5y2 = -1.5y2 + 1.5y2

Combine like terms: -1.5y2 + 1.5y2 = 0.0
-10.5 + x2 + 1.5y2 = 0.0

The solution to this equation could not be determined.

See similar equations:

| -14+49=-5(x+7) | | y=2.510+15 | | 4-2y=-14 | | 0=4x^3-6x-30 | | 4x+8=8x+20 | | X^24x+119=0 | | 9x+24=-4x-9+10x | | 4(3+x)-5=-4(x+3) | | -7x+32=x | | 8(c-5)=7c-6 | | 36x+216=x^3+6x^2 | | 5x+40y=-30 | | 51-7x=19+9x | | u^2-20u+96andu-8= | | 7x+14=8y+4 | | 7x+14=8y-10 | | 2x+3+2x+3=10 | | r+3.3=4.1 | | 3y+18=2y-3 | | 3r/7=12 | | 3x-6+x+(3x-6)+8=80 | | (2±√8)/2 | | -3=4(x+1)-3(x-6) | | y=5(7x+80) | | (3x-6)+x+(3x-6)+8=80 | | 2(x-4)=3(x+5)-2 | | 8-2x=2x-8 | | (3+w)(5w+9)=0 | | 5a-3-(a+6)= | | 2(2f-1)=15 | | ht=-16t^2+4624 | | -5n-n= |

Equations solver categories