45=4r+21

Simple and best practice solution for 45=4r+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 45=4r+21 equation: 



45=4r+21

We move all terms to the left:

45-(4r+21)=0

We get rid of parentheses

-4r-21+45=0

We add all the numbers together, and all the variables

-4r+24=0

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

-4r=-24

r=-24/-4

r=+6

See similar equations:

| 19=r+8 | | 13=2b=15 | | (2x+3)+(3x-1)=82 | | 6x-1=3x+9- | | 4x+9=8x+5 | | 3I2x+6I=-12 | | 25=p+11 | | 19w2−30w+8=  −6w2 | | 60+4y+4=180 | | 42=3d+15 | | 8x(x-1)=3x+7 | | -5(4t-2)+7t=3t-9 | | 50+1.99x=3.99+x | | x2+17x+12=180 | | 11a=-33 | | X-7=18x | | 2+2z=20 | | 30m=47m | | n+12n+12−12n​ =18.3=18.3−12=5.7​ | | 19w^2−30w+8=-6w | | 7(1x-x)=4x-11 | | 132−2s=43​ s+132, | | 3(x-5)4=17 | | x+8=20x | | -4x+8+5x=10 | | p/8=6.2 | | 500x=440 | | 17p=-12+20p | | 7(2x+1)=3(x+5) | | 56-7x/4=x+3 | | -5x-2-2x=19 | | (2x+1)62=0 |

Equations solver categories