If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
(-1/9)*k+3/2 = (5/4)*k+4/1 // - (5/4)*k+4/1
(-1/9)*k-((5/4)*k)+3/2-(4/1) = 0
(-1/9)*k+(-5/4)*k+3/2-4 = 0
-49/36*k-5/2 = 0 // + 5/2
-49/36*k = 5/2 // : -49/36
k = 5/2/(-49/36)
k = -90/49
k = -90/49
| 40=58 | | 9x+2+10x-12=180 | | 4x/(x-2)+1/x=5 | | 56-12m=80-8m | | 8y-12-3y+8=0 | | 6(3x-5)+3(18-3x)-4(2x+3)=-7 | | (2a+10)-4(a+5)= | | (1/3)6=9 | | 3y^2-1/2(y+1) | | 28000+30000x=36000+2000x | | ((5x+5)/10)=((4x-4)/4) | | (x^2+17x+70)(x^2-2x-3)/(x^2+2x-15)(x^2+8x-20) | | 4x-30=9x | | x-6=8/x+x+3 | | (9/(x^2-1))+(12/(3x+3)) | | x/3=((x-3)/2) | | 25+x=25 | | 2sin^2x-sinx-1=0 | | (15x+2)/(x^2+6) | | x^2/(x+4)^2=25 | | (x^2+17x+70)*(x^2-2x-3)/(x^2+2x-15)(x^2+8x-20) | | x^5-4x^3+8=32 | | 6m-2[2+4m]=3m | | 20=4(a)+5(b) | | (T-4)(T+5)= | | 5+7y-12/3=y+13 | | X-2.666=0.5 | | 1.5x^2-25x-76=0 | | sinx=-cosx | | y=-3x+19 | | ((x-4)/5)-1=((x-12)/6) | | 8=-16t^2+96t+116 |