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)
(-9/8)*a = 18 // - 18
(-9/8)*a-18 = 0
-9/8*a-18 = 0 // + 18
-9/8*a = 18 // : -9/8
a = 18/(-9/8)
a = -16
a = -16
| 7=s/7 | | 16x^3y-2y= | | t/3=21 | | 48=-8s+s+6 | | v-2.32=8.5 | | (51/2)*0.75 | | 6k-42=2a+a | | 5a+9c-2a-14c= | | x/-6=9 | | 51/2x0.75 | | 6f+68t= | | 3q^2-24q+60=0 | | 2m-4(9-3m)=62 | | m/1.4=5 | | 2/3a+2=4/3a+1/3 | | 5/8/1/4 | | 2.5x^2+3x+.05=0 | | 7a-35/6a-30 | | x-4.34=2.17 | | z=2xy+2xz+2yz | | 3/5g=5/8 | | 1.6x=0.6x | | 10x+120=8x+150 | | 2x/3+4=x/6+1 | | -6-(21)=3p-12 | | 4(x+1)=-8x | | u+5.71=8.33 | | x/3+4x | | 5b=2b+21 | | 2(g^2-7g+10)=0 | | -3/2+1/3x=-1/5 | | n/7=20 |