8x+3y=21

Simple and best practice solution for 8x+3y=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 8x+3y=21 equation: 


Simplifying
8x + 3y = 21

Solving
8x + 3y = 21

Solving for variable 'x'.

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

Add '-3y' to each side of the equation.
8x + 3y + -3y = 21 + -3y

Combine like terms: 3y + -3y = 0
8x + 0 = 21 + -3y
8x = 21 + -3y

Divide each side by '8'.
x = 2.625 + -0.375y

Simplifying
x = 2.625 + -0.375y

See similar equations:

| 8+2(x+1)=4 | | s=10t-5t^2 | | 9-4(x-3)-5=9+2(4-2x)-16 | | 9a-16=5a-16 | | 2-1y-y=4 | | -4(2-x)+2=4x-10 | | 5(1-x)+10(2-2x)=15-20x | | -3n+10n=-11+6n | | 4n-5=11n+2 | | 6+7k+3k=36 | | 6y=3x+9 | | 92-(5x+13)=5(x+7)+x | | 4(x)=180-x | | 4M+30S+12L=456000 | | 2(2w+7)=46 | | 5(x-6)+4=7(x-2)-10 | | 6(6-2y)+12y=42 | | 2x/3-4=1x/3 | | 6+5z=-2z-8 | | 6(3x-9)-5=6(x-2)+25 | | 4(m-3)=-12 | | 3x+4=7x+9 | | 7x+10-9x=16-14x+12x-6 | | -1.6+1.2y+3x=y+5 | | 7+(x/4)=6 | | .66666666n+7=4n-10 | | 4x+y+3=-5+7y-x | | x-22=x-22 | | 16=4(u+7)-8u | | f(x)=-19x+16 | | 7n-(4n+3)=2.666666666666 | | 9y=4x-3 |

Equations solver categories