21+2x=81

Simple and best practice solution for 21+2x=81 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 21+2x=81 equation: 



21+2x=81

We move all terms to the left:

21+2x-(81)=0

We add all the numbers together, and all the variables

2x-60=0

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

2x=60

x=60/2

x=30

See similar equations:

| 1/12y+4=-9 | | 5x+2x-5x+6x+x=45 | | 3(1-3x)=2(7-4x) | | 4-8a=-124 | | 2=15/3r | | 14x+3x-7x-9x=16 | | 6x-99=6x+1 | | 9x+8=12x | | 20x+12=112 | | 3w-2w-w+5w=20 | | 6n+3=72 | | 12x-40=7x-27 | | 1/8y+3=-16 | | 16c-13c-c=18 | | 3x+8+4x=-8(x-6)-8(-13x+5) | | 4|x+9|-5=19 | | 32=1.6x | | x/18=30/100 | | 2v-v+6v=14 | | (6x)+(2x+36)=180 | | 16=4e | | M=0.3x12 | | 4=3x+-5 | | 3k+3k-4k+k=18 | | (6x)+(2x+36)=90 | | 21=8x+-3 | | -9+8x=7 | | 13y-8y-2y+1=10 | | 15x+5-3x+2=15 | | 6=3x+-3 | | 2v-2v+5v-3v=20 | | 5x=(3/7)/5 |

Equations solver categories