21/2b+6=20

Simple and best practice solution for 21/2b+6=20 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 21/2b+6=20 equation:



21/2b+6=20
We move all terms to the left:
21/2b+6-(20)=0
Domain of the equation: 2b!=0
b!=0/2
b!=0
b∈R
We add all the numbers together, and all the variables
21/2b-14=0
We multiply all the terms by the denominator
-14*2b+21=0
Wy multiply elements
-28b+21=0
We move all terms containing b to the left, all other terms to the right
-28b=-21
b=-21/-28
b=3/4

See similar equations:

| 5-(x-2)=15 | | 2+7x+2x=74 | | 3x+2=5x-30 | | 196/14=b | | 9=-x/4+25 | | t-3/5+3/5=4/5+4/5 | | 4(6+3x)=144 | | 2x+2+7x=11 | | 2=3/4x-2.5 | | -1/2+2/3x=6x+7/6 | | x+x+x-6(2)=82 | | 3/8y-1/2=1/5 | | x^2+10x-10=29 | | (9.9+x)÷0.25;×=36 | | X+3+x-8+×=55 | | 27-19n=-11 | | -4(-2x-5)=8 | | (x-3)^2+8=0 | | 1x-3=24 | | 8(5+b)=10b+4 | | X+8+4x=33 | | 12=-3/4y | | -2x-3(-4x-8)=114 | | 11(z+1)+6(3z-7)=6(z-3)+14 | | 5+2x+3x=5 | | 4r+24/12=2r-12/2 | | 40x+160=80x+80 | | x+39=66 | | 5x6x=9x3x | | X+2+4x=12 | | 7x+-4=-16 | | -5k=4k+71 |

Equations solver categories