a-15*a-21=

Simple and best practice solution for a-15*a-21= 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-15*a-21= equation:


a-15*a-21=0

We simplify the equation to the form, which is simple to understand 
a-15*a-21=0

We move all terms containing a to the left and all other terms to the right. 
+1a-15a=0+21

We simplify left and right side of the equation. 
-14a=+21

We divide both sides of the equation by -14 to get a. 
a=-1.5

See similar equations:

| y=x^2/y | | y=(1-2x)y^2,y(0)=-1/6 | | Tn=7-2n | | A-6*a-5= | | xy=(1-y^2)^1/2 | | 4+8x=5-6x | | A-6xa-5= | | C=9x*(-3x-6) | | 6-2x=5x+1 | | 8x-5=19x+9 | | z=3i(z-i)-5z | | 5x+7=12x-3 | | (1+lnx)dx+(1+lny)dy=0 | | F=(9x-4)*10 | | -42m+36n= | | 8m+2n-6m+9n=2m-11n | | 2(1-4x)-45=15(2-x) | | 3x/4-3x/7=1 | | (5x-4y)(3x+7y)= | | y^4-7y^2-6y=0 | | k(k+8)= | | -3(x-2)=4(1-x) | | 3(-6)=-9x+30 | | 14-3.5= | | 9x-11=14x+16 | | 5X=14-9x | | 5x-7/4x-2=-28 | | 3O+13=23-2P | | 9x-7y-0.5=0 | | 2x^2-2x+34=-6x^2-34+10 | | 9x-7y-19.5=0 | | 7(x+1)+2(1-2x)=0 |

Equations solver categories