If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x+15+7x+6=0
We add all the numbers together, and all the variables
9x+21=0
We move all terms containing x to the left, all other terms to the right
9x=-21
x=-21/9
x=-2+1/3
| 2x+15+7x+6=360 | | 2x+15+7x6=360 | | 2x+15+7x+6=180 | | 2x+15+7x+6=90 | | 2x+15=7x+6 | | 2x+15=7x+4 | | 2x+15+7x+4=0 | | 4(x-3)-2(x=+2)=-6 | | 11x-4+7x+4=180 | | 11x-4+7x+4=360 | | 11x-4+7x+4=0 | | 4y=46+-2y | | F(x)=3(0)-2 | | F(x)=30-2 | | -6=m+8+6m | | 3/2(x+2)-2=7x | | 0.99x+16=1.79x | | 7-y=6y | | 40x+30=80x+20 | | 0.4x-1=0.6x+4 | | 0.4x=327 | | 3+4x+2x=-45 | | -3.4=x(-7.9) | | (7x-15)=97 | | (2x-20)=134 | | 1/3(x-5)=2-x | | 2x+9=7(x-1)/2 | | 180000=x+0.4x | | 2p=0+30 | | 16m+4=20 | | -8+5x=23 | | 7x=18-9+6 |