-21=-8u+5(u-3)

Simple and best practice solution for -21=-8u+5(u-3) 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=-8u+5(u-3) equation: 



-21=-8u+5(u-3)

We move all terms to the left:

-21-(-8u+5(u-3))=0



We calculate terms in parentheses: -(-8u+5(u-3)), so:

-8u+5(u-3)

We multiply parentheses

-8u+5u-15

We add all the numbers together, and all the variables

-3u-15

Back to the equation:

-(-3u-15)



We get rid of parentheses

3u+15-21=0

We add all the numbers together, and all the variables

3u-6=0

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

3u=6

u=6/3

u=2

See similar equations:

| -8u+4(u-3)=-8 | | 3x+4=8x−28 | | 29=3(w+8)-8w | | 5p-9=+12 | | 3x=4(5-x) | | 0.2y-0.9=0.5 | | 1/2(2x+4)=2x | | 10(3)Xn=360 | | 7/8x+1/2=x-3/4 | | 17-3x+3=-2x+2x | | (0.8-0.3x)/x=0 | | 2y=9.9 | | 2(2t+4)=34(24−8t | | 2(7x-7)=14 | | 11=3x-1+6 | | 8(b+1)+4=3(2b+8)-16 | | 2(7z−7)=14 | | -1=v-2+5 | | 47=29-3(5-3w) | | 10x+3-2x=3(2x-3)+x | | 1x÷5=35 | | (3x+9)=−2(2x+6 | | 1/9(6t-4)=t+4/18 | | -18=1+5b-4 | | 17-4x=5=8x | | 7w=2w+20 | | 2x+1÷3=4÷5 | | (y-7/2)^2=7/4 | | 3x=5(4-x) | | y=2^2+3 | | y=1^2+3 | | 45x^2+6x-24=0 |

Equations solver categories