If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
-((5/4)*x)-2 = 13 // - 13
-((5/4)*x)-13-2 = 0
(-5/4)*x-13-2 = 0
-5/4*x-15 = 0 // + 15
-5/4*x = 15 // : -5/4
x = 15/(-5/4)
x = -12
x = -12
| 10x-1+78=18x+13 | | 6(x+3)+9=27 | | 4-(5)= | | 15-3(3x-1)=12 | | (w/5)-4=(w/3) | | 6-15q=11q-46 | | 1.12x=141000000 | | -31=5n+6n | | 6m=3-2m^2 | | 7(x+3)=2x+9+9x | | 8(y+7)=5y-8+2y | | 1+c=ln(-5c-3) | | 180-x=3(90-k) | | .5(b+6)=1.5b-1 | | 2b-13=4 | | 90=-22+x | | 44r=20 | | t-(5+2t)+(t-7)= | | f(6)=-36 | | 84=-8x-4(-6x+3) | | -6p+7=121 | | -6x-12=-18+5x | | 5(9s-2t+u)= | | 0.7t^2-2.8t=0 | | f(-4)=24 | | 3(2x-5)+6=10-3x | | 17=13-x | | 3(x+1)+8=5x-2(-3+x) | | (-0.5)+0.3= | | 6(3x-8)-3=6(x-3)+27 | | 5n+34=-2*6n | | 14-2x=4x+2 |