3=a+7

Simple and best practice solution for 3=a+7 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 3=a+7 equation: 



3=a+7

We move all terms to the left:

3-(a+7)=0

We get rid of parentheses

-a-7+3=0

We add all the numbers together, and all the variables

-1a-4=0

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

-a=4

a=4/-1

a=-4

See similar equations:

| -20b=60 | | -11=1-7n-5n | | 0.6x+4.1=4.7x | | 1+4k=-6-3k | | -3m+5(1-5m)=173 | | 5(x-4)=-4+52 | | 15/4x=5 | | 2x+12=8x+3 | | 9=5n=25 | | b3− 1=1 | | 5*x+12+3*x=8*x-5 | | -1.5487804878=n/16.4 | | 9+3r=18 | | 37=3u-8 | | 3x+10-x=20 | | -11h+39=-3h-27 | | 2x2-9x-66=0 | | 2(c+8)=-10 | | 2x-9x-66=0 | | y/16=-8 | | 235+y=180 | | (2x+16)=(3x-12) | | x=-20/22 | | 4(-4+x=-6(x-4) | | 4(-4+x=-6(x-4 | | 4+3(3x-5)=25 | | 2v−6=2 | | -3g-4=26 | | 5(2y-3)=24 | | w=2=12 | | -40+2x=4x=-8x=8 | | -3n+6=-3n+6 |

Equations solver categories