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*a)/4 = 18 // - 18
(9*a)/4-18 = 0
9/4*a-18 = 0 // + 18
9/4*a = 18 // : 9/4
a = 18/9/4
a = 8
a = 8
| 4s+8-6s+15=10-s-8 | | 56.8+25.5=78.09 | | 2.25t+5=13.5t+1 | | 2p+4p-3=2p+p | | 55h+40=190 | | 14=27 | | 4x-3(2x+7)=8-(x-6) | | -2=t-3 | | 3x+8=3(x-8) | | 7-3(6t-10)=85 | | -2/7=y-1/3 | | 3-5/6x6 | | 8=-6x+2 | | 6ln(7x)=44 | | 3x-7=5y | | 62/x=90/100 | | 2=y+14 | | 2y=-3x+9 | | 1/4(x-6)1/15(4x-1) | | 1/6y=-4 | | j-53/4=72/3 | | 3+2r=3 | | (4x-5y)-(12x+y)=y | | 4-.5x=33-x | | x+11.8=-7.1 | | 6x(x+y)-(x+y)= | | 22/10=99/n | | (X/5)-2=(x/3)-10 | | 14-(5m+3)=3+3m-16 | | -1/8t1 | | 15-9/2= | | 5k-14=-29 |