8x+9y=81

Simple and best practice solution for 8x+9y=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 8x+9y=81 equation: 


Simplifying
8x + 9y = 81

Solving
8x + 9y = 81

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
8x + 9y + -9y = 81 + -9y

Combine like terms: 9y + -9y = 0
8x + 0 = 81 + -9y
8x = 81 + -9y

Divide each side by '8'.
x = 10.125 + -1.125y

Simplifying
x = 10.125 + -1.125y

See similar equations:

| (4X+3)+(5X+8)= | | 8m+17=9m+12 | | 14x-8=3x+14 | | x^3-11x^2+24x+36=0 | | 85-4x=2x+13 | | 8-7x=56+x | | 8y-22=-46+4y | | 2AB(3A^2-5B^2)= | | 4x+12=3x-6 | | 118-2x=16x+18 | | 4n-29=-34+5n | | 12-9x=62-33x | | 4x+30=11x-47 | | (2+3i)x+(5y-2i)(3-i)=3x-4i | | 4x+36=11x-47 | | x+4=128 | | 3(4*-7)= | | 7z^2-2z+1=0 | | -7(z-8)= | | 11x-6=115 | | 0.8x-30=0.3x-4 | | 3x*3x*3x= | | 3x-5=-35 | | 12+4x=84 | | 2y+5=18 | | (4y+1)(3y^2+2y-4)= | | 14r+35s+49= | | x+3x+x+3x= | | 3(2x-2.3)=8x-6.9 | | 3x+4x+2x=180 | | 0=2x^2-17x-9 | | 5x+(x+20)+2x=180 |

Equations solver categories