(3x+9)/2=21

Simple and best practice solution for (3x+9)/2=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 (3x+9)/2=21 equation: 



(3x+9)/2=21

We move all terms to the left:

(3x+9)/2-(21)=0

We multiply all the terms by the denominator


(3x+9)-21*2=0

We add all the numbers together, and all the variables

(3x+9)-42=0

We get rid of parentheses

3x+9-42=0

We add all the numbers together, and all the variables

3x-33=0

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

3x=33

x=33/3

x=11

See similar equations:

| 3(2-0.4x)=18* | | 2x²-3x-210=0 | | k19=14+k19 | | 3n/4=-24/5 | | x+112=158 | | 3(5x)-4x+3=-18 | | n=3.4n+13 | | (7-3)x(1+4)= | | 2(3-8x)-8(2-2x)=-10 | | (4x+9)+33+98=180 | | 2×(22/7)×r=15 | | (-13/16)x=3 | | 1/6(2(x+1)+14)=x | | 5(x-2)+5=3x+2(-4+x) | | 4^(x-3)=16. | | 3-11c=4 | | x=x/(0.1+x) | | 30+.09x=15+.13x | | x/3+3/4=7/12 | | n=34n+13= | | (9x+6)+(11x-4)=180 | | 9p=45+4p | | x4-12x²+32=0 | | 9m+7=-35-5m | | -7.5s-8=3s-8 | | 3r+4=11+2r | | 2(4x+2)=4x-12(x1) | | 9x+7=11x-7=180 | | 0.08x+0.1(9000−x)=760 | | 8^(0.4x)=5 | | 25=q+2025 | | v+2=2/5v+3/5v |

Equations solver categories