18=3+a

Simple and best practice solution for 18=3+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 18=3+a equation: 



18=3+a

We move all terms to the left:

18-(3+a)=0

We add all the numbers together, and all the variables

-(a+3)+18=0

We get rid of parentheses

-a-3+18=0

We add all the numbers together, and all the variables

-1a+15=0

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

-a=-15

a=-15/-1

a=+15

See similar equations:

| -5(2x-17=2(x-1)-9 | | 6k+5k=3 | | -5.44+7.5q=6.53+9.5q-0.1q | | 6x-2=5x-17 | | 1/5x2+2=3/5x2 | | 5uu=3 | | 6x+2=5x-17 | | 5t-5=25 | | (4x+15)+(2x+27)=180 | | -9x+8=4x-42 | | 1.25+h=18.20 | | 39=3x+6 | | 5-4(x-9)=25 | | –b–84=2 | | 14x+x−6x=153. | | 9-6x=-8+5x | | -7.77-1.4y=3.7y-2.67 | | 121=4x-7(-4+5x) | | 150=6(1+4x) | | 0,5x=0,3-0,5x | | 5-4(x-3x3)=25 | | -8h-9=7-10h | | -3x+48x+24=-246 | | -120=6(4x+8) | | 81=6(8-x)+3 | | b-5-3b=4(6b-4)-3(6-b) | | 100=x+7×9 | | 25/8=x/2 | | -19.8=3.6y | | 23+11c=4c-7 | | -329=7(1-8x) | | 4(d-3)-5=-3 |

Equations solver categories