2x+21=4x-9

Simple and best practice solution for 2x+21=4x-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 2x+21=4x-9 equation: 



2x+21=4x-9

We move all terms to the left:

2x+21-(4x-9)=0

We get rid of parentheses

2x-4x+9+21=0

We add all the numbers together, and all the variables

-2x+30=0

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

-2x=-30

x=-30/-2

x=+15

See similar equations:

| 6x/12+3=x | | 24x=16+10 | | 4+2=7m | | 1/6x+7=1/3x+6 | | 36000+4000x=51,000+1,500x | | 4x+2x+2=3x- | | 28=-3x+4 | | 12x=+49x-14 | | -6w+24+8w=2w+18= | | 2(3x+4)=4x+56 | | 7x/4=x+3 | | 187+43x=493+37x | | 2x+5=2+8 | | -1/3v-4/5=1/2 | | 2-1=5c-16 | | -51=w/4 | | 185=94-w | | 260=106-u | | -8(7-2x)=136 | | 5(s-7)=-15 | | 2+14z=-8+9z-2 | | 2x+32-7x=1303 | | 5(a-7=-15 | | 1x+20=6x+5 | | ​a2+10a+21=0 | | 4y 5=16y= | | 25=28+14/c | | 5a+8=2a | | -1/3=4/7y-1/2 | | 4/5+46x=360 | | .17x=1 | | y/13=1/6 |

Equations solver categories