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

We add all the numbers together, and all the variables

-5r-18=0

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

-5r=18

r=18/-5

r=-3+3/5

See similar equations:

| 6x+14+2x+14=3x+18 | | 2(2.5z4.5)=-1 | | 60t=80(t-1) | | 158=6x | | 0.5(5x+10)=1.8-(x+2) | | -9=-1-2v | | 2x+50=86 | | 4x+55=87 | | 17.42+8.9f=7.6f | | 4x=55=87 | | 6(w-1)=-7w+46 | | -18-10w=-8w+18 | | 15=2a*1 | | 44-(3c=4)=4(c+6)+c | | -19n=-20n+15 | | 3(v-6)-8v=27 | | y/9-28=3 | | -19+9u-13=5u+20 | | 5x÷9=36 | | 4=1+x/7 | | 3-3x+8x=20+3x | | h=300−16^2 | | 5(x+8)=3x+12 | | 196-w=241 | | -186=-4x+3(-2x-22) | | 32=-7w+5(w+4) | | -13-9x=31 | | 295=18-u | | 7+4(5x-8)=15 | | 79=-3x-3 | | -6(2r-2)=8r | | 5/8+1/6t=5/12+t |

Equations solver categories