-a-7=20

Simple and best practice solution for -a-7=20 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-7=20 equation: 



-a-7=20

We move all terms to the left:

-a-7-(20)=0

We add all the numbers together, and all the variables

-1a-27=0

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

-a=27

a=27/-1

a=-27

See similar equations:

| 6x+9+4x+8=3x+10 | | 44=3u-14 | | 0.2x+4/14=7/14 | | 8−2n=4 | | 3x2=4x+5 | | 5a+2=-6 | | 7x29=162 | | 4y^2-31y+21=0 | | 80n+4=1 | | 9x=16-(-11) | | 0.2x+2/7=1/2 | | 0.2=150×a | | 6(1y+2)-4=-10 | | 2b+18=64 | | 42+42+(5y-2)+(5y-2)=360 | | 4/5x-5=9/5x | | 4z−12=-9 | | -24=7x+8 | | x-3/9+1/3=2/3 | | 36=13n−4n. | | 8/3x+5/6x=36/9 | | 80+7t=10 | | 20+13x=11+16x | | 7y+15=2(y-5) | | 16^x+1=128^2x+3  | | X+4y+7=0 | | 3x2+4x+3=0 | | 20+13x=11x+16x | | 4(5x-2)=18x | | 16/11=x/7 | | 5/7(t−3/5)=23/4 | | b+2b-11=99 |

Equations solver categories