3x-21+9x=-9

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



3x-21+9x=-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

12x-12=0

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

12x=12

x=12/12

x=1

See similar equations:

| -8=2(u-9) | | 21-4x=10x | | -5g=2.3=-18.8 | | 9x-1=2x+20 | | 1/6s+1/4=1/3+3/4s | | -x+5x+1=x-3+4x | | 3(x-1)-2=2x+8 | | 8x+24-3x=5x | | 14x+7=12+16x | | 5x+4-4x=10-3+2 | | 4=0.25(w | | ((5x-23)/6)=x-4 | | 2x-10-3x=6+2x-1 | | 2x^2+4x-6x-12=600 | | -20-c=16-5c | | 8^2x=4 | | -6m+18=-3m-9-3m | | -4x+-8=-4x-8 | | 6x+9-8=5 | | A^2-b^2=184 | | 14k+5=5+14k | | -5-7x=-7x-5 | | -7x-3=2x-18 | | 2n-7=-7+2n | | 7x+2x=8x | | 10-5z=-5z+10 | | X=-9x+10x | | 2x²÷3x²=0 | | 1+9m=9m+1 | | E=f/0 | | 10-4x=24 | | 210=-1000x^2+1100x-2.5 |

Equations solver categories