21=u/3-13

Simple and best practice solution for 21=u/3-13 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 21=u/3-13 equation: 



21=u/3-13

We move all terms to the left:

21-(u/3-13)=0

We get rid of parentheses

-u/3+13+21=0

We multiply all the terms by the denominator


-u+13*3+21*3=0

We add all the numbers together, and all the variables

-1u+102=0

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

-u=-102

u=-102/-1

u=+102

See similar equations:

| 2=5u-3 | | -8=-3/2x+11 | | 11=a-4-4a | | 3=((18+n)/44)) | | 2t-t=-26 | | 7x=2+20 | | -9w-9=9 | | 3r2=14r-8 | | 5x+2-2(x+1)=3x+4 | | 8w+6-9w-9=9 | | x/4=132/120 | | -3x+-15=6-6x-12 | | -2(x+2)+6x=-12 | | ×-4x/5+39=x+x/2 | | 165=5xN | | -2​(x+2​)+6x=-12 | | 10n^2-1n-16=0 | | 6y-4y-12=23.02 | | w/5+10=25 | | 35=64+5y | | 14t-12t=6 | | 114+25=136g | | 8x-x-4x+3x-4x=14 | | -342-7m=6m+-5(9+-4m) | | 29=v/3-13 | | 3x-59=2x | | -111=-3(7x=2) | | x/24=32 | | z/8=28 | | 7x^2-1=132 | | 2n-5=3n | | -9c-(6c+1)=14 |

Equations solver categories