4x+21=9

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



4x+21=9

We move all terms to the left:

4x+21-(9)=0

We add all the numbers together, and all the variables

4x+12=0

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

4x=-12

x=-12/4

x=-3

See similar equations:

| -5(7-14x)-17x=0 | | s*5+32=122 | | 11(-4-8z)-16=0 | | 4y2+22y+24=0 | | 2x/(0.1-x)=7.04 | | (2x-9)/5-2x=-3 | | x^2+35x-4250=0 | | 7x-8=4+x | | 3x+2+1x=2x-2+3x | | 4(3x+2)/5=3(7-x) | | (3m^2-7m+8)(m-2)=0 | | 5-7x/2-1=-6 | | 5x/3+2=9 | | 1000=3^8x | | 5a-2=10a-2 | | 3x^2-22x+26=0 | | 3500x=1360*2*454 | | 200000=140x-0.02x^2 | | -7(v-5)=-4v+29 | | -4n=-8n+4 | | 5n^2+10n+3=0 | | -6m+6=-9m+18 | | 5x-3(×-11)=7 | | -7(s-6)+2(s+2)=61 | | 4↑x-1×0.5↑3-2x=(1/8)^x | | 100=(1/2)*(z*0.8660254038) | | -x^2+5x=2^2 | | -x2+5x=22 | | 6(3k+2)-3(k+5)=15k | | X-2/x+5=1/5 | | X-2/x+8=1/5 | | 2x+3/3x+2=-8/3 |

Equations solver categories