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)
16 = 15-(9*y)-(5/4) // - 15-(9*y)-(5/4)
9*y+5/4-15+16 = 0
9*y+9/4 = 0 // - 9/4
9*y = -9/4 // : 9
y = -9/4/9
y = -1/4
y = -1/4
| 3(x-5.9)=5.4 | | 19-4x=10-7x | | 7x+2=5x+24 | | -4+11=12x-3-11x | | 7x+4(3x-14)=172 | | y=-0.25x^2+3x | | 2x+4(5x-3)=98 | | 2x+4(2x+18)=132 | | -7x^2+-5=0 | | b^2-3b=154 | | 1.7=-0.15*logX | | 7x+6(x-13)=26 | | Ln*7*x=4 | | 3x-8+5x=2-4x-8 | | 7x+5(x-18)=18 | | (x+24)8=432 | | (-12+18x)-7x=4x-36 | | 3x+5(2x+16)=184 | | 5x+57=x+111 | | 5(3M+4)=3(4m-7) | | 3x+3(x+10)=66 | | x^2+4.2x=68.89 | | -3(2x-5)=-9 | | 3x+2(4x+3)=138 | | 3x+120=2x+150 | | (3.50+5.50)x+6=51 | | x/3=12/18 | | x-4.2=-6.7 | | 0.2x-17=83 | | x+7+2x+2=180 | | 4(-9)-3y=24 | | 13e+2e-5=20-10e |