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)
(1/5)*(5-3*x)-(3*(4*x+5)) = 2/5 // - 2/5
(1/5)*(5-3*x)-(3*(4*x+5))-(2/5) = 0
(1/5)*(5-3*x)-3*(4*x+5)-2/5 = 0
1/5*(5-3*x)-3*(4*x+5)-2/5 = 0
(1/5*5*(5-3*x))/5+(-3*5*(4*x+5))/5-2/5 = 0
1/5*5*(5-3*x)-3*5*(4*x+5)-2 = 0
-63*x-70-2 = 0
-63*x-72 = 0
(-63*x-72)/5 = 0
(-63*x-72)/5 = 0 // * 5
-63*x-72 = 0
-63*x-72 = 0 // + 72
-63*x = 72 // : -63
x = 72/(-63)
x = -8/7
x = -8/7
| -5*3.6+1= | | 4-2(y+1)=-2 | | 66p*p+57p+12=0 | | 9a+12-a=28 | | 3x+2y=115 | | 3x+8=3-2x | | 2=3+7y-4y-6-5y | | 2(x+1)=x+8 | | 3(m-5)=24 | | 2=3+7y-4y-6y-6y-5y | | -5x+4=-6x+16 | | 2=3+7y-4y-6y-6-5y | | 200x-x^2=2100 | | 10x+20(x-2)=470 | | 7-(3x-4)+5x=35 | | 2x^2+21-11=0 | | x^2+200-2100=0 | | 150=5(4x+2) | | 7x-12=5X+18 | | 3y+5x=8 | | 15-6x=51 | | 2x+6(x-20)=304 | | 8x+2+6x-4=12 | | (6x)+(9x)=39 | | 2/x=x/3 | | 5+7x=-7x-163 | | -3-5y=9 | | 8d-168=-16 | | 10-9x+8x-18=3x-8 | | 2y-15=31 | | 20x+6(x-20)=304+100 | | 6x=3y-9 |