If it's not what You are looking for type in the equation solver your own equation and let us solve it.
120+100+x+65+2x+60=720
We move all terms to the left:
120+100+x+65+2x+60-(720)=0
We add all the numbers together, and all the variables
3x-375=0
We move all terms containing x to the left, all other terms to the right
3x=375
x=375/3
x=125
| m+-46=24 | | x+x+49=89 | | 1/5x+6=8 | | x+12=2x-30 | | v/4=-8 | | 18=j+8 | | -192=6(4r-4) | | 2x+5=6x-35 | | 95-10x=15 | | 129m-100m+34,125=35125-150m | | 1/10x-2=8 | | 9x+6x=9x+6x | | 3u=13 | | -2=v+11 | | 1/2x-3=3 | | 7p+5=-3p+45 | | X+3(x+2)=0 | | -v=-10 | | 98.7=2.8a+20.3 | | 6(2^3x-1)-7=9 | | 3(x+7)^2=243 | | 5x+1=12x-41 | | 312=-6(-7a-2)+6 | | 27=-4x+7 | | 3b-3=39 | | 8a=8=79 | | b+-14=0 | | 4y^2-13=y^2=14 | | -3/7u=-15 | | 13.83+0.06(x+3)=14.58-0.08x | | 15=r+10 | | 3/2(9x+6)=6x+4 |