If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
(1/2)*y+5 = 9 // - 9
(1/2)*y-9+5 = 0
1/2*y-4 = 0 // + 4
1/2*y = 4 // : 1/2
y = 4/1/2
y = 8
y = 8
| 16/y=10/21 | | 3(x-10)-2=18x-192 | | d^2-7=0 | | x+x+2=158 | | 6x^2-18x+30=0 | | 1(x+7)=14 | | -8(x-1)-10(2-x)=-12 | | 5(x+7)=25 | | a*b=500 | | x+x+3=157 | | 592=32Xg | | 5a+5b=7b-2a | | 3x-2y-10=0 | | (4x-2/10)-(3x-2/6) | | -6(x+10)+516=11+25 | | 3/x=4 | | 8x+6=3x-9 | | a*b*c=750 | | x-23=5x+5 | | x^2-11x-37=-5x+3 | | 8r+13=5 | | 5(16y-14)= | | 3(3x-7)-4x=-2 | | 2x-(7-2x)=0 | | -8(x+5)+458=31+27 | | e+e+e+p+p=20 | | 151-4x=23x+19 | | 2x+29=7x-31 | | x+x+7521=210355 | | -11x-75=x+177 | | 3x+17=11x-39 | | -4(5+2x)= |