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)
(1/2)*a > -5 // + 5
(1/2)*a+5 > 0
1/2*a+5 > 0 // - 5
1/2*a > -5 // : 1/2
a > -5/1/2
a > -10
a in (-10:+oo)
(-10:+oo)
| 1/4c4 | | (5n-5)*(5n+7)=0 | | -6.4=-36.8 | | 2(3)-0=4 | | 2-2(3)=-4 | | 0-2(2)=-4 | | -2-2(1)=-4 | | -4-2(0)=-4 | | 14y+22-15y^2+23y= | | a^2(2a-1)= | | 25=3s-4(27-s) | | 3(1)+1=4 | | 3(2)+0=4 | | 3(3)+1=4 | | 5x+8+6x-6=90 | | 3(0)+4=4 | | 3(3)+-5=4 | | 3(2)+-2=4 | | 3(1)+-2=4 | | 3(0)+1=4 | | 0=-2(6)+6 | | 2=-2(2)+6 | | 1/3(3.14)(36)(9) | | (4x-1)(5+x)=0 | | 1=-2(-1)+6 | | 49x/7x-4 | | 48x/7x-4 | | 3=-2(20)+6 | | (2p-5)(p-4)=p+8 | | 3=-2(0)+6 | | Sin(5x+10)=cos(x+20) | | 33ab-22b/11b |