3+x+x+x=12

Simple and best practice solution for 3+x+x+x=12 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 3+x+x+x=12 equation: 



3+x+x+x=12

We move all terms to the left:

3+x+x+x-(12)=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

See similar equations:

| .19y+.05(y+7000)=2030 | | 5c+17=9(-c+12+13c) | | 3/4x-1/3x=-15/8x | | 3/4x-1/3x=-15/8 | | 12=-21p | | F(x)=7.50x-20,000 | | 10x+166x=20 | | 2.5(8+6x)=35 | | z+1134=3 | | 0.07x+0.08(29,000-x)=2310 | | 0=5x+48 | | -6x-7=177 | | 3(z+4)/7=6 | | 3z+4/7=6 | | x+47+63+78=180 | | 4/7v=28v=49 | | x+0.025x=615 | | X+0.20x=673.20 | | -36=6(x+) | | X+0.09x=175.49 | | n-(-26)=-2 | | (w-3)-5(w+7)-10(w+3)+7w=-5 | | 2m-2(6+7m)=4 | | X²-121=0=x=11 | | 3-x=10.5 | | 21=r-(-12) | | 0.50x+0.25(70)=49.5 | | -17n=510 | | 30=p/10 | | -27+r=-43 | | X-0.6x=288 | | -81=-27p |

Equations solver categories