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)*(15*x-3) = -(3*x)-3 // + -(3*x)-3
(2/5)*(15*x-3)+3*x+3 = 0
2/5*(15*x-3)+3*x+3 = 0
2/5*(15*x-3)+3*x+3 = 0
9*x-6/5+3 = 0
9*x+9/5 = 0
9*x+9/5 = 0
9*x+9/5 = 0 // - 9/5
9*x = -9/5 // : 9
x = -9/5/9
x = -1/5
x = -1/5
| 2d^3x/dt^3=0 | | H(X+4)=X^2+8-2X | | 8(1+3b)=40+8b | | -y-4/2=4 | | 4(x-1)=14x-7 | | 6(f+5)+8=2 | | (X/-2)-17=13 | | 6+4x-3x= | | z^4+(1+i)z^2+2(1+i)=0 | | 8+4z=23 | | -10x+6=-24 | | 32-16x=12-16x | | 85b-4=6 | | g+64=148 | | A=-1P-1+3xP-1 | | -1+5(3x+4)=-31+5x | | -11x+4=42 | | 17=5c-2 | | 6/11y=-19/22 | | -6x+6=20+7x | | ln(x)=-2.39 | | 8+.83x=28 | | -10(7+d)=30 | | X^2+13x=-32 | | 17+8(8x-1)=-7 | | 5(5v-5)=-25+5v | | 43-4a=8+3a | | -p/5-8=-7 | | 3(x+1)+2x+8=16 | | 2x-3+5x=7+7x-2 | | 76-y+40=x | | P(x)=6(x)-12x+78 |