3x-21=87

Simple and best practice solution for 3x-21=87 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-21=87 equation: 



3x-21=87

We move all terms to the left:

3x-21-(87)=0

We add all the numbers together, and all the variables

3x-108=0

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

3x=108

x=108/3

x=36

See similar equations:

| 12+4x=–12–28x | | Y-(1/2)y-7=0 | | 9h=450 | | 2x-4(x-5)=-9+5x-27 | | 53061=x+0.07x | | x^-7x+12=2 | | 9y+y+7y+207=224 | | 8w=420 | | 9x-3=10x10 | | 2b+50=b+75 | | 6-x/2=6 | | 56=7n+15-11n+17 | | 2x+3x+`1=21 | | 60=7y+8y+45 | | 5.9+5.8=1.8-0.8z+8.9 | | 17x-19=10x+30 | | |12-x|=2x | | 2/3b+12=35 | | 5y-2-4y=0 | | 4y+3-3y=1 | | –6(16n+2)≤14n+8(–14n+19)=0 | | y/5+y/4=7/4 | | 6-2(x+60=3x+4 | | 7.9=-h | | −1/5(4x+3)=1/5(5x−3) | | -3+y+6y+3=42 | | d-84=-18 | | b/4=17 | | 14x+13+4x+10=157 | | 3n+1=6-2n | | 6t(t+4)=t-20 | | 3(2x-8)=2(x+6) |

Equations solver categories