a-7a=18

Simple and best practice solution for a-7a=18 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-7a=18 equation: 



a-7a=18

We move all terms to the left:

a-7a-(18)=0

We add all the numbers together, and all the variables

-6a-18=0

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

-6a=18

a=18/-6

a=-3

See similar equations:

| 3-17=-3z | | (7/a-4)-(2/a)=0 | | 3-17=z÷-3 | | 4x+12=62-x | | 16x-4=9-6+58 | | 16x-4=9-6 | | 10w-14w=36 | | -2+1=m-10 | | 2x-30=15-x | | (1.6)-6=1+r | | 11x=40+7x | | 5x-5=23+x | | -7(v-4)=3v-42 | | 1500=1/2a10^2 | | 1500=1/2a*10^2 | | 12x+3=24+5x | | -2y=82 | | 2.53x-1.25=24.05 | | 8.9x=44.5 | | 46=4y+5y/9- | | 8.9x=99.5 | | 5/3=2/3x-1 | | X^+4x=12 | | 0.2(15a-2)=0.5(12a+20) | | 0.2(15a-2)=0.5(12a+20 | | 12x-6=6+15x | | (9-x)=2x+1 | | 20k+100=20(k+0.428 | | 7x+6=9x+-2 | | 15x^2+24x+30=0 | | 5x+4=6x+13 | | 6.27h+1.875=0.27(23h-2.285) |

Equations solver categories