x-3=8x+21

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



x-3=8x+21

We move all terms to the left:

x-3-(8x+21)=0

We get rid of parentheses

x-8x-21-3=0

We add all the numbers together, and all the variables

-7x-24=0

We move all terms containing x to the left, all other terms to the right

-7x=24

x=24/-7

x=-3+3/7

See similar equations:

| -16t^2+50t+30=0 | | 1-0.6x=x | | 38+6x=14x-7 | | 4x/9=x/6+5 | | 4m^2-68m+168=0 | | 1-0.6x/x=0 | | 1=x+0.6x | | 20^-x=1/7 | | x+3x+30=180 | | 2m+3/4=m+7/3 | | x.4=3 | | x^2+5x+15+9/x=0 | | 5x+7=x=71 | | 6y+3/9+4=1 | | 2-2s=4/3+13 | | 3(k-1)=-24 | | -2i1+4i2-5=0 | | 34,2x=102,6 | | (2x-3+1/x)x(2x+5+1/x)=9x | | X+2(2-1)-3(x-2)=4(x-3) | | 3x^2+3x+3+1/x=0 | | 240=2(w+3)+2w | | 3x+3x+3+1/x=0 | | 5x+2(x-1)=4x+7 | | y^2−2y+65=0 | | y2−2y+65=0 | | 8x=14*127 | | 1/3x+4=2/3x+3 | | y2−6y+18=0 | | y2−6y+9=−9y2−6y+9=−9 | | y2−6y+9=−9 | | 2x-10/4=5+2-3x/6 |

Equations solver categories