-3x+9=-21x

Simple and best practice solution for -3x+9=-21x 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=-21x equation: 



-3x+9=-21x

We move all terms to the left:

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

We get rid of parentheses

-3x+21x+9=0

We add all the numbers together, and all the variables

18x+9=0

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

18x=-9

x=-9/18

x=-1/2

See similar equations:

| 5x-23=7x-1=180 | | 8x=4/8 | | -8c-6=-7c | | 7n-10=n+18 | | 2x+68=4x-2 | | 15.86+(x•3)=16.61-0.13 | | 2x+68=4x-3 | | 11.25k-20=10.75-12.5 | | 6x-6x+3=9x-6-6x | | 7x-(3x+4)=-2(2x-1)+10* | | 4x-3=x+10.5 | | (5)=-3+4x | | -6-9n=-9n | | (5/2x)+3=(1/2)+(1/2x) | | 3(x+3)-2x+3=x+8 | | 4/05+14.40=4.50(p+3) | | 24+2n=-24n-24 | | 0.025x=0.785 | | 1,8+7n=9.5-4n | | 7-9z=9-9z | | 3x=(4x-2)° | | -31/4n-5/2=0 | | 5x=+32 | | 3x-23=-19 | | |m+2|+2=10 | | 5x-8=40-7 | | 7-12=4y | | -38-6k=7(4-4K) | | 4.13x+3.72=3.2x | | 4x-3=1/2(4x+10 | | 3(2x+9)+7=4 | | 4=9+c |

Equations solver categories