10r-21=-81

Simple and best practice solution for 10r-21=-81 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 10r-21=-81 equation: 



10r-21=-81

We move all terms to the left:

10r-21-(-81)=0

We add all the numbers together, and all the variables

10r+60=0

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

10r=-60

r=-60/10

r=-6

See similar equations:

| (5v-3)(8-v)=0 | | (x-2)-(3x+2)=5(x+4)+1 | | -4x(x-2)+5x=4(x+2)-5x | | x=18x/2 | | 3(4x+2)=15 | | 7-1/4x=2 | | x+7/6=5/18 | | h679988+6455786453=h | | 8.25/x=-0.25 | | 0.2x+1/10x-1=0.15-0.04 | | -(x-)+5=2(x+3)-1 | | -(x-)+5=2(x+3)-5 | | 4(x-7)=308 | | x÷5=25 | | 2x-15+4x+90°=180° | | (4w-2)(3-w)=0 | | 2y+3y=182y-3y=-6 | | 5x+4=-10x+3 | | 10x-5x+9=2x-3 | | (p+3)^2-p-15=0 | | x^2−14x+50=0 | | -2(4x-5)+3x=15 | | 6-2x+8=-30x | | 3(x+2)+1/2(3x-1)=-8 | | -4x+19=x-1 | | y+1/3=-12/3 | | 5(3x+2)=2(x+7)=55 | | x+6=5/2(x+20) | | 2x-2=-4x-24 | | 5(5-t)-(2-3t)=18 | | 84=(x+2)(x)(5) | | 4(-x+4)=7(2+x)-6 |

Equations solver categories