If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
9 = x/7-11 // - x/7-11
9-(x/7)+11 = 0
20-1/7*x = 0 // - 20
-1/7*x = -20 // : -1/7
x = -20/(-1/7)
x = 140
x = 140
| 0.80x+0.10(60)=0.70(x+60) | | e^4x=5e^2 | | 1/2*9.8*t^2-0.28=0 | | 8r^2+29r-12=0 | | X^19-2X^18+6X^15-12X^6=0 | | 2a+6/12 | | 0.70x+0.10(60)=0.70(x+60) | | 4x+1/4-2x+3/3=7/12 | | -42/-6 | | -3w^2+33w+90=0 | | 4(5-m)=2(m+3) | | 10=2x^2+4 | | H=-4.9T^2+20T+10 | | (3x-5)(8x+2)=0 | | (-3/2y^6)^4 | | 40x-30/x=0 | | (2x-5)(4x+7)=0 | | -3=x-21/2 | | (6x-9)(9x+6)=0 | | (8x+5)(3x+3)=0 | | 5y+20=495 | | 12x^2-8xy+9x-6y= | | (1.97)(76x)=12 | | 14m-6k-5m-3k+4k= | | n^3-n^2+3n-3=0 | | 0.3x=0.02 | | x^2+xy-2x-2y=0 | | 4(3x+4)=2(4x+24)-9 | | 20.00+4x=200 | | ax+by=2x | | ax+by=2y | | (121/11)/11=121/(11/11) |