4x-21=x+9

Simple and best practice solution for 4x-21=x+9 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 4x-21=x+9 equation: 



4x-21=x+9

We move all terms to the left:

4x-21-(x+9)=0

We get rid of parentheses

4x-x-9-21=0

We add all the numbers together, and all the variables

3x-30=0

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

3x=30

x=30/3

x=10

See similar equations:

| n^2-11n+1=0 | | 2(3y-6)=10y+10 | | 8x+56=x+21 | | 6x^2+15x+8=0 | | 6w-10=38 | | 3x+3/2x+2+3x-1+2x+4+2x=180 | | 7/2a=2/a+3/8 | | 2x+85=40 | | 7x-7=3x+41 | | 8/13/5=25/x | | 5(x-6)=2(x+3 | | (2x+1)(x-2)=63 | | -64x+176x-121=0 | | 3x-24=×+12 | | X-4/10x=72 | | 4t+1/4=t+6/8+t*4/8 | | 8(2x+5)=126 | | 3x+26/5+x+29/4=15 | | 9x/8-2=70 | | 18+5=p+2 | | 3x+12/5+x+24/6=11 | | x-4/5+4/5=-x/2 | | 71+16=100-p | | 10x-(9x-6)=14 | | 76=31-5(x-4) | | -2p-2(6-5p)=6(p-6)-8 | | -2p-3(2-4p)=9(p-4)-18 | | 3(2x+3)=-4(x-5) | | 7(d-3)=-22 | | x+(2x+1)+(3x-1)=180 | | x+60=4x-30 | | 45+2x+(180-(3x+4))=180 |

Equations solver categories