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)
(2/5)*x-(7/4) = -3 // + 3
(2/5)*x-(7/4)+3 = 0
(2/5)*x-7/4+3 = 0
2/5*x+5/4 = 0 // - 5/4
2/5*x = -5/4 // : 2/5
x = -5/4/2/5
x = -25/8
x = -25/8
| b-6+4b=33 | | 4v+2=-5+8v-3v | | 44=q+26 | | -7x+3(-5x-3)=123 | | -1=4n-4-5 | | 3-f=7 | | 7-4x=x+6 | | 4x+2x-5=1 | | 4c-7=5 | | F-3=7 | | 1-(9/8x)=5/2 | | 12+n=38 | | 8+5x-2x=11+2x | | a/3-1/3=-4 | | -30=-6/5y | | 2b-5+b=43 | | 6x=5.2x+12.3 | | X^3-2x^2-14x+40=0 | | 2/7x1/4 | | 2h/3-15=44/15 | | 4x+4(2x-7)=-124 | | -15/7=-5v | | r=zv-z^2 | | 6x+4=-50 | | 7.95b+110.25=150 | | G-wx=j | | =x^5-3x^2+2x | | 3u/8=-18 | | 4w+56=12w-18 | | 2-3(9b-27)=36 | | 38=2n-14n | | X/3+2=-3 |