If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x+x+3x=140
We move all terms to the left:
2x+x+3x-(140)=0
We add all the numbers together, and all the variables
6x-140=0
We move all terms containing x to the left, all other terms to the right
6x=140
x=140/6
x=23+1/3
| 5x=3x-25+13 | | x+5°+4x-55°=7x-130° | | 4n-3=3n+3 | | 12-15=12+n | | 2x+1/2-5=10 | | -7-(-4)=4+n | | 5-12=5+n | | 90/54=n=3 | | 16y^-8.2y=4y | | 90/54=n/3 | | 75/120=n/8 | | 16y.y-8.2y=4y | | (3x-15)/2x+1)=0 | | x^2-12^x+24=0 | | -4.5-5.5(1+3b)=26.5 | | 14*0,67^x=68 | | 1.25x^2-5x+5=0 | | 4z/10+3=2 | | 52-2x=40 | | 4a+2=22-a | | 4/7x+x=121 | | 12x+10=9x+20 | | 9x+20=12x+10 | | 3x*5=15 | | -3x-10=-x-6 | | 2+3(2x+1)-(x+3)=4(2-x) | | 3-(x-1)=4-(4x-3) | | 9x−13=23 | | 0.3+0.7x/x=0.85 | | 5x+12/6x+12=7/8 | | -7(3+2x)=-7 | | 2(-6x-3)=54 |