3x-42=21

Simple and best practice solution for 3x-42=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-42=21 equation: 



3x-42=21

We move all terms to the left:

3x-42-(21)=0

We add all the numbers together, and all the variables

3x-63=0

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

3x=63

x=63/3

x=21

See similar equations:

| -4z+3=-6-4z | | 20x-42=90 | | 14-h-h=-13 | | 3.6=0.15b | | 7-3x=-11+x | | (2x-7/4)=x+3/3 | | 6u/5=2 | | 2x+8=3x+2x-1 | | 6u/5=6 | | 1.3+2*c=3.5 | | -3−4m=5−3m | | -6p+6-2=16 | | 2/3=8/6x | | 55=2x | | 9x+24=90 | | 55=2x+2 | | 5(2x+2)=90 | | 1+0.36x=2.52+0.08x | | 55=2x+3 | | 8(3x+1)=4(2x+6) | | -5y-5=-5-5y | | 14x-25=9x+20 | | 55=2x+4 | | 20x-42=9x+24 | | ×+8=2-3x | | -6+b=b-6 | | 2g+4g-2g=30 | | 0=-4.9t^2+19.62t+1 | | 2(3x+8)=4(x+4) | | 5/9=1/3+g | | 3x3=9x2+10 | | 55=2x+10 |

Equations solver categories