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)
4*a-(8/2) = -18 // + 18
4*a-(8/2)+18 = 0
4*a-4+18 = 0
4*a+14 = 0 // - 14
4*a = -14 // : 4
a = -14/4
a = -7/2
a = -7/2
| 11+4v=38 | | y=4/x=(x=o.o2)-5x | | -9s+8=-8x | | 4-2.3x=50 | | -6=2+2v | | 16=2p-6p | | 29+X=48 | | d^8+8d+9=0 | | 8+5a^2= | | 0.35x+12=20.05 | | 4f+6=34 | | 16y+4=180 | | -2=10+6x | | 5v-31=6(-v+4) | | -5/4×(-1/9) | | 9x+50=176 | | d^4+8d+9=0 | | -7(n-6)+2=100 | | X=50cos(86) | | 1/3(-11/6b-1/6) | | 7y+10-y=2(10+3y) | | -18/-72 | | solve-(8m+4)=4m-2(6m+2) | | 32=4+7x | | 2n+23+3n+12=180 | | u^2+10u+22=0 | | -10=-5x+3(x+2) | | 16.4-x=6.6 | | 30=-.05a | | w-(-8)=-21 | | -8(2+8k)=-208 | | 15=-.011x^2+x+1.6 |