-3/5r=21

Simple and best practice solution for -3/5r=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 -3/5r=21 equation: 



-3/5r=21

We move all terms to the left:

-3/5r-(21)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We multiply all the terms by the denominator


-21*5r-3=0

Wy multiply elements

-105r-3=0

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

-105r=3

r=3/-105

r=-1/35

See similar equations:

| .2.5y+6=4.5y-1 | | -8(g+-2)=-72 | | -2(-3x+4)+3x-÷=-29 | | 3z+1z=1.2 | | 56÷x=18 | | 15x+3=12x+4 | | 8=j-76/2 | | 2m+39=3m+40 | | 25-2n=49 | | 5-(2/3)x=13 | | -9-10=12x-16x | | 8f+11=13 | | 2u+8(u+2)=36 | | 5/2+4a=−5/6 | | −82+14x=16 | | -14a/5+8=(6a-20)/5 | | 5(x-9)-2=-47 | | 8(h+3)=72 | | 100-6v=64 | | 1=2/3x-2 | | 5/2+4a=−5/6​ | | 5(2x+3)-6x=1-(4x-31) | | 5+10g=95 | | 1058=23(p+15) | | (x/4)-1=1 | | 3.9+1m=4.5 | | n-94/1=4 | | 33=3(x-9) | | (2x+14)+(3x-4)+30=180 | | 6.3+.6x=-1.5x+4.2 | | 180=(4x+3)+(2x+3) | | Ax3=11 |

Equations solver categories