3x+12+x=90

Simple and best practice solution for 3x+12+x=90 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+12+x=90 equation: 



3x+12+x=90

We move all terms to the left:

3x+12+x-(90)=0

We add all the numbers together, and all the variables

4x-78=0

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

4x=78

x=78/4

x=19+1/2

See similar equations:

| -7-4(2n+8)=-95 | | 15y=1/2=4/5 | | 4/5+x=-6/55 | | .15e=2.25 | | R^2-4r+21=0 | | 26-(3c+4)=2(c+5)c | | 9.8d+8d-4.6d+2.9d9=0 | | 5(3x+4)+7=15x+27 | | -1-7n=5-5n | | 1.59d-(0.8d+1500)=0 | | 1.25x^2-2.5x+.25=0 | | 10n^2−35=65n | | R2-4r+21=0 | | x+(x+2)=3(x+4)-27 | | 1.59d-0.89d+1500=0 | | 8(3x-2)+5=3(5x+7)+9x | | 3=u/5-1 | | -6/7x=17/8 | | 3a+4=a-22 | | 96/128=12/x | | 0.5=17=n=20 | | 7y-4=-11+4 | | 5/7x=-10/21 | | X+6=8-7x | | 9x+14=8x+7 | | -3.5+x/7=-5.2 | | -7-5n-3=-5 | | 11=3-43x | | -8x+7=6x+21 | | (1/6)^x=1296 | | x-1/9=7/9 | | 5z-55=60 |

Equations solver categories