If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+x+x+3=7
We move all terms to the left:
x+x+x+3-(7)=0
We add all the numbers together, and all the variables
3x-4=0
We move all terms containing x to the left, all other terms to the right
3x=4
x=4/3
x=1+1/3
| 34=-8-6n | | 690=0.6x | | 5+x-(15-x)+20+3x=180 | | 0.80*p=16 | | 50+12.5x=99 | | 2(x+4)+2(x)=28 | | 2(x+1)+5=3(2x-1)-2 | | 4(x+5)=2(x-1) | | x2-2x+1=49 | | 3x+2/6=x-3/5 | | 1/4+z=7/2 | | 3=4x-5=15 | | 3(x-5)+5=32 | | 2x+4+5=11 | | 11x-9x-5=0 | | 6.50+5a=(5.5+15.5) | | 9w+3=w+5 | | 5.50+5a=(6.5+15.5) | | 22=9x=+2-4x | | 13+6x=41 | | x-3.8=16 | | 76m+16.99=159.87 | | 6.50+5a=22 | | 4a+2+3a=51 | | 3(x+6=45) | | 134+14x=-34 | | 6.50+5a=(6.5+15.5) | | 11x+9=15x-7 | | 6n-3=4n-9 | | 8.2=6.8+z+3.5z | | 16+u5=76 | | 3/5x-6=2/5x-3 |