If it's not what You are looking for type in the equation solver your own equation and let us solve it.
11x+2x=104
We move all terms to the left:
11x+2x-(104)=0
We add all the numbers together, and all the variables
13x-104=0
We move all terms containing x to the left, all other terms to the right
13x=104
x=104/13
x=8
| 3x+88=21x+152 | | 3x+29=5x+47 | | -14x+61=-8x+31 | | -8x-116=-15x-179 | | -13x+21x=+12-20 | | -3x-12=-21x-20 | | -6x-12=-10x-20 | | -2x+7=-3x+12 | | 8x-49=5x-21 | | 2x+12=4x+18 | | -21x+14x=90-48 | | 9x+48=6x+27 | | -14x+7x=130-81 | | -5x-21=-8x-33 | | -4x+5=-8x+9 | | 19x-34=11x-18 | | 8-2e=-2 | | 8-(2e÷3)=-2 | | 3x+2=-2x-18 | | 4(a-9)=16a | | 8r+10=34 | | x-0.1x=19400 | | -2x^2+8x+37=-27 | | 2x^2-x-9=19 | | 2z/5=9/15 | | -2x^2+22x-14=34 | | 3x+2x=-2-18 | | 2x^2-8x-3=7 | | 2x^2-10x-44=28 | | 2x^2+18x+20=-16 | | 3.5x+40+2.5x+20=180 | | -2x^2-22x-24=32 |