138=(9+x)(12)/2

Simple and best practice solution for 138=(9+x)(12)/2 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 138=(9+x)(12)/2 equation: 


x in (-oo:+oo)

138 = (12*(x+9))/2 // - (12*(x+9))/2

138-((12*(x+9))/2) = 0

138-6*(x+9) = 0

138-6*(x+9) = 0

84-6*x = 0

84-6*x = 0

84-6*x = 0 // - 84

-6*x = -84 // : -6

x = -84/(-6)

x = 14

x = 14

See similar equations:

| 2/3*a+20=-20 | | -7(x-14)=63 | | 4(-x+3)=5(x-2) | | 24/8+9=h | | 4c^2+28c+49=0 | | 3/5X+X=128 | | 92=-6x+5(x+16) | | m/3-2=-11 | | -5+x/5=-8 | | 2y+9=13 | | 2y=13+9 | | -3x+2=-55 | | 3-2m=-17 | | P=a+2b+3csolvea | | 6-6x=7x-9x-8 | | -6v+5=-85 | | 2-8=58 | | -80=-6x-5(-x+15) | | -6x-9=-99 | | (2/3)a+4=-16 | | 9x-3=-93 | | 5x-22=8+6x | | 5x+6=-7 | | 6p-9=-114 | | 36-x=4 | | x-32=21 | | 1/7/5/7 | | 48-x=13 | | -2x+6(-5x-6)=188 | | -6-9p=-105 | | -6=-1/5a | | 8r+7=-9 |

Equations solver categories