21a-36a=45

Simple and best practice solution for 21a-36a=45 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 21a-36a=45 equation:


21a-36a=45

We simplify the equation to the form, which is simple to understand 
21a-36a=45

We move all terms containing a to the left and all other terms to the right. 
+21a-36a=+45

We simplify left and right side of the equation. 
-15a=+45

We divide both sides of the equation by -15 to get a. 
a=-3

See similar equations:

| log(9x+1)=log(8x+2) | | 12*5.5= | | 5(m-87)=60 | | 64c^3+125=0 | | 64c^3+125= | | 58=4x-43 | | 4u+5(u+4)=-7 | | 3x-1/4=15 | | -10=2(w-2)-8w | | (x+3)2+(x-8)(x-1)=16 | | 2(x+5)+4x=-2 | | (3x+2y)(2x-5y)= | | 19r-12r+5r-13r-10=-16 | | 6u+7u-16=-81 | | y^2-2y=-3y+20 | | y=2(x-1)+8 | | 4r^2-144= | | 17d-16d+d+d=-18 | | 20+yi=13-x+3 | | -23m+95m-98m+8=60 | | x+50=100 | | y=8(x-5)+60 | | -9x-21=-3x-7 | | -6(v-7)=5v-24 | | 15x^2+39x+18=0 | | 2xy+y= | | -5(m-74)+73=-22 | | 3(x-7)=9(x+2) | | ln*2x=5 | | 3x(2x^3-2x^2-x)=0 | | 172=258-w | | 2x^3-2x^2-x=0 |

Equations solver categories