3b+4=21

Simple and best practice solution for 3b+4=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 3b+4=21 equation: 



3b+4=21

We move all terms to the left:

3b+4-(21)=0

We add all the numbers together, and all the variables

3b-17=0

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

3b=17

b=17/3

b=5+2/3

See similar equations:

| x*7/9=140 | | xx7/9=140 | | (u-6)*9=36 | | -7x-1=5x-1 | | 3x^+21x=0 | | -62=-2(6x+7)+2(x+1) | | -2x=45+7x | | 4x+2=8⇔⇔4x=6⇔⇔x=1, | | 3p/10=1 | | y=(5000+500)*1.0035 | | 300-15x=180 | | 10x+98=20 | | 25+5x=x+98 | | -7-3x=-18+2x | | 8+18-2x=64 | | 3(x-6)-x=24 | | 3x+23x+2=0,5 | | 3(x-6)-x=42 | | X+20+5=2(x+5)+5 | | 3x2+5=2x | | 3x2+5=−2x | | 12-0.25c=20 | | x2−4x+3=0 | | 14+x=46;x=32 | | 3a-52=-10 | | 4x+20=(5x+5) | | 20x+5=2(x+5)+5 | | 1.4n+5.01=3.97-0.2n | | 1.4n+5.01=3.97-0.2 | | −z2=−12z+6 | | 10=-8+n/2 | | 6x=-9+5x |

Equations solver categories