If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X+X=7.2
We move all terms to the left:
X+X-(7.2)=0
We add all the numbers together, and all the variables
2X-7.2=0
We move all terms containing X to the left, all other terms to the right
2X=7.2
X=7.2/2
X=3+1/1.6666666666667
| 3+9x=15x | | 11.8k−8=11.8 | | m+7.8=5.2 | | 3x-50°=2x-5° | | -4(x+5)=(x-16) | | 2x^2+13x=-23 | | (2x+3)(x+7)=4x-2 | | (x^2)-4x-60=0 | | 174,8=x-(360-x) | | -15=-4x+17 | | 4-(-6b)=46 | | 3y−5=1 | | -10x+70=32x+28 | | 93=-m+39 | | 9u-19=62 | | 30+2d=-40 | | 5x-20=-5x+20 | | 5x=2x21 | | -18x+18=7x+18 | | -4/3x=2/3x—1/6 | | 7x+112=14x-14 | | -4/3x=2/3x-1/6 | | -1/3x=1/6x+2 | | -5/6x+4=5/2x | | 6x=10x+6 | | 2u+41=7u+4 | | -7x-9=-2x | | 4+35b=710b | | 12x+14=-7x+14 | | 6x+2=–10 | | 3x+11=5 | | 5.3y+10.5=6.5+2.5y |