-7a-21=0

Simple and best practice solution for -7a-21=0 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 -7a-21=0 equation: 



-7a-21=0

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

-7a=21

a=21/-7

a=-3

See similar equations:

| 2(m+22)=74 | | -7=-3-4y | | 5^(2x+1)+26(5^x)+5=0 | | 8x-1=24-4x | | A=3.14r^2r | | c+15/6=9 | | X2-8x-9=5-9 | | ⅘u+5=25 | | 36*3/x=2 | | 6-10x=-23x+1 | | 7(k-94)=14 | | -4n^2+2n=11 | | -7=3-y | | -5(1-5k)=-205 | | x+-10=29 | | 10k+–2k=16 | | (36x3)/x=2 | | 2,5*(12x-16)=25x-25 | | 0,5*(40x-20)=10x+40 | | 34-x/2=-12 | | (13x-35)+(5x-19)=(13x-35)+(2x+14) | | 7*(3x-5)-13x+4=1 | | E^(8x+7)=11 | | h-85/5=2 | | 12(x−5)=4(3x+5) | | 6(d+1)=30 | | ∠B=(9x)° | | (1/2)^3x+1=32 | | 2x+8x+x=26 | | 9/5x-9/2=-9/7 | | (15.2·0.25−48.51÷14.7)/x=((13/44−2/11−5/66÷5/2)·6/5)/3.2+0.8·(11/2−3.25) | | 9/5x-9/2=9/7 |

Equations solver categories