21+2x,x=12

Simple and best practice solution for 21+2x,x=12 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,x=12 equation: 



21+2x.x=12

We move all terms to the left:

21+2x.x-(12)=0

We add all the numbers together, and all the variables

2x.x+9=0

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

2x.x=-9

x=-9/1

x=-9

See similar equations:

| X-0.3x=130 | | -13-9b-10=3b-5 | | 3,2e=31 | | 5x+6=70 | | 3x+40=51 | | 3x+40=16 | | 1x/3+5=9 | | M2=x+74 | | 5,5e=32 | | y0=2y+y | | x=(12/3)+4-(24/3x8) | | h4+9=5h | | -4z+6=4(-z+2 | | 7=10-1/4x | | 2/3+3x/5=4/5 | | 3x²+23x+14=0 | | 3x-1=4/3 | | 3,8e=35 | | 2k+7+3k=407 | | 8x-27=-7 | | 2{x+7}=70 | | 12x+4=6×-20 | | 4-3(x-5)=6 | | 2x+3=8/3 | | 4(x-3)=3/4 | | 10y-8y-15=7.94 | | 2/7x2/7=x | | 1,4e=32 | | 1-3(x-5)=6 | | -2(-4x+3)-8=2(2+x) | | 100g=9 | | 2632=15p+7 |

Equations solver categories