3x+4y=81

Simple and best practice solution for 3x+4y=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 3x+4y=81 equation: 


Simplifying
3x + 4y = 81

Solving
3x + 4y = 81

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
3x + 4y + -4y = 81 + -4y

Combine like terms: 4y + -4y = 0
3x + 0 = 81 + -4y
3x = 81 + -4y

Divide each side by '3'.
x = 27 + -1.333333333y

Simplifying
x = 27 + -1.333333333y

See similar equations:

| 15m+4n=118 | | 5m+6n=72 | | 12a+5b=64 | | 3a+4b=38 | | 8s+4t=56 | | 3s+2t=23 | | 3(x+2)-1(2x-3)= | | 7p+9q=89 | | 13x-3x-3=33 | | 9x/7=2 | | 2x+(x-7)=48 | | 4x=6(2x)+9 | | 10x+5x=8750 | | 7-5x=34-8x | | x-men=bading | | w(4w-9)=90 | | 6x^2-9x+9=0 | | x-men=y | | 3(2)-(-4)= | | Log(x-1)-log(2x-1)=log(x^2+5) | | 2÷8/3 | | 6p^2+11p+10=0 | | X*(90-x)=x^2+90x | | x*.9=25000 | | 3y-24=23 | | =13x-75 | | 4/9=18/22 | | A(x)=x*(90-x) | | x^2*(x^3-1)+4x*(3x^2+2)= | | 2x-9/x_7x/2=5/x-7 | | -2cos(x)=sin(x+60) | | P=39(4) |

Equations solver categories