a+21=19

Simple and best practice solution for a+21=19 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 a+21=19 equation: 



a+21=19

We move all terms to the left:

a+21-(19)=0

We add all the numbers together, and all the variables

a+2=0

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

a=-2

See similar equations:

| 2^(6-3x)=8^(x+1) | | 25x^-36=0 | | 0.6x=5/3 | | -3(x+2)+5x=3x-12+x | | 1.1=4.4y | | 200+5.5x+35.75x=350+7.25x+4x | | –8s=–7s+4 | | (x5)/(-2)=(x1)/(-3) | | –9+4d=5d | | 4x+88=2x+50 | | 3m-7=13 | | x2-x=16.25 | | 1.50x+50=2.75x | | 3(2k–5)=2k+3 | | 3(2k–5)=2k+3 | | x-5/2-x+1/4=2x+3/6 | | (4y+8)^2=0 | | 3/8+a=1.25 | | 3/8+a=11/4 | | 0.04*x=600000 | | X+u=110 | | 66-n=199 | | 6x-8=7x+9​ | | 21=-4+5x | | x+14.6=-0.5 | | 9-x=9x | | 2.4x-4=0 | | 13-2x=3x-11 | | 13=2x=3x-11 | | 8x-3=5x=11 | | 6x-2x(x-1)=5x-7 | | 2+16x=3+15x= |

Equations solver categories