If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
(1/9)*a = 7 // - 7
(1/9)*a-7 = 0
1/9*a-7 = 0 // + 7
1/9*a = 7 // : 1/9
a = 7/1/9
a = 63
a = 63
| 524+2x=549 | | -8x-21=-165 | | 44-(3c+4)=4(c+6) | | 9/10x-4/5=8 | | 1=-11+6t | | 0=151-16t^2 | | 9x-25=4x+70 | | 5(5x+7)=19+7x | | -79=5+7x | | 0.20=x^2/65-x | | 11n+2n=78 | | 8.51x+8.51=17.02 | | 4w+17=77 | | 3+3x=6+3x | | 5sobrex=2x-6 | | 6x+34=8x+4 | | 6*q+4=40 | | 8/x^2=8/x+6 | | 4*p+5=25 | | x^2-x=-9 | | 2(x-2)+3(x+5)=2x+2 | | (2x+1)(x-3)-6x+3=0 | | x+51=-43 | | -6x-22=-142 | | -4x+8x=2(3x-8) | | 27*4x=1161 | | 2*n-1=7 | | x+51= | | -8/x-2+2-3x/x | | -32=10h-2 | | 12+4n=8 | | 18x+12=9x+39 |