81=-3(-6-3r)

Simple and best practice solution for 81=-3(-6-3r) 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 81=-3(-6-3r) equation:


81=-3(-6-3r)

We simplify the equation to the form, which is simple to understand 
81=-3(-6-3r)

Reorder the terms in parentheses
81=+(+18+9r)

Remove unnecessary parentheses
+81=+18+9r

We move all terms containing r to the left and all other terms to the right. 
-9r=+18-81

We simplify left and right side of the equation. 
-9r=-63

We divide both sides of the equation by -09 to get r. 
r=7

See similar equations:

| y=5/3x-1 | | D(P)=a-bP | | 7p+18=-2p+55 | | D(S)=a-bP | | (6+h)-6/h | | 2(t-3)+8t=5(2t+4)-8 | | 7p+-1(3p+4)=-2(2p+-1)+10 | | -275=5(-7-8r) | | 2x-8+2x= | | 9x^2-151x-14=0 | | 42/3x=14 | | 6d-1=2d+51 | | F(x)=34 | | (2/3)x+5=(1/2)x+4 | | 4x+5=4x^2-20+25 | | x=10+5y | | 4y/7-8=6y/7 | | 1/2*x-8=12 | | -4(7.5s-8.5)=4.4+10s | | -r-2(5r+8)=-82 | | (6/7)(-7/15) | | 7z+9=100-z-3 | | 14x-5-6x=3x | | 2x^4+x^2-36=0 | | (1/2y)^2+y=0 | | 2y^3-24y-13y^2=0 | | 5x+10=3x-14 | | -5(3x+7)+3x=-107 | | 5/8j-6=94 | | 0.4=3.2 | | (1/2)^2+y=0 | | x/4+5=11 |

Equations solver categories