21=11-a

Simple and best practice solution for 21=11-a 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=11-a equation: 



21=11-a

We move all terms to the left:

21-(11-a)=0

We add all the numbers together, and all the variables

-(-1a+11)+21=0

We get rid of parentheses

1a-11+21=0

We add all the numbers together, and all the variables

a+10=0

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

a=-10

See similar equations:

| 4(y+6)=44 | | 5-12+n=18-2n-6 | | 12.6-3p=5.7 | | 2x=28-10 | | .02/2=1/x | | 12-3(x-1)=48 | | 6x=2+44 | | 16=-w/8 | | 18=4p-5 | | 38=x+34 | | 4/4x=18 | | 63=25+x | | -143-x=12x+104 | | (x-3)/4+2/3=17/12 | | -5=x-2-3 | | 5+a=-10 | | 4943.76=15.25d-250 | | -2(x-7)+8x=32 | | Y+3.6x=96 | | H(x)=x-11=5 | | 1/10x+15=27 | | 29=14-z | | 15+2x-10=7 | | 5x+3x–6=42 | | 54=a-13 | | 6(3x+2)-7=6x-12x-5 | | 32-2x=31 | | 6x-80=70+12x | | -8+14a=-8+9a | | 8=2+z | | 4x+2x+6=7x-6-3x+3 | | 8(1-8)=8(4x+1) |

Equations solver categories