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)
4-((2*x)/5) = 6 // - 6
4-((2*x)/5)-6 = 0
(-2/5)*x-6+4 = 0
-2/5*x-2 = 0 // + 2
-2/5*x = 2 // : -2/5
x = 2/(-2/5)
x = -5
x = -5
| a^2+15a+50=0 | | 6x-21=2x | | 2x-55=x-14 | | x-.035=75.68 | | x-.35=75.68 | | 14x^2+3x+19=0 | | 4-.80(4x+3)=-24 | | 38+8x=62+5x | | 38+8x=63+5x | | -13=7+64 | | 3-.5(x+1)=6 | | 5x-4(5)=20 | | x(5h)=x(3k) | | 90=N(N+1) | | 50x-1100=-15x+1500 | | .80x-5=-7+.40x | | .80x-5=-7+40x | | 0.8(220-x)=152 | | 5r^2+17r-6=4r | | 2y-x+4y=11 | | 3y*2.7y= | | -y+4=8 | | 2x-1y=6 | | -5?+a=7? | | -11n-2=-6n-5n | | 8=c7+4 | | -4/5x-16 | | x+3.8=7.1 | | (1)(x)=(3)(25) | | 126=-3(6x-6) | | 0.8x+0.6(x+9)=12.4 | | 6/8x=20/8y=520 |