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 = 5 // - 5
(-2/5)*x-5 = 0
-2/5*x-5 = 0 // + 5
-2/5*x = 5 // : -2/5
x = 5/(-2/5)
x = -25/2
x = -25/2
| 8n-8=64 | | 6y+5=-7+8y | | -64+64-7(9-8)= | | 10(y+4)-4(y-2)=3(y-1)+2(y-3) | | 16x^2/4x+16 | | (y-7)-(y+6)=4y | | 4x-6y=2x+x-7 | | 28/-137 | | -x/2=7 | | -196*(-7)= | | (7(x+h)^2+2(x+h)+9-(7x^2-2x+9))/h | | -196x(-7)= | | 36=18x+8 | | (6x+8)+(8x+4)=68 | | 10y+5=-5x | | 12+3x=-36 | | log(x+25)=1+log(2x-7) | | 12-10x=92 | | .06-0.01(x+3)=-0.03(3-x) | | c=5964-32 | | 7x-7=7(x+6) | | 310x-3x+85=3 | | 4.9x^2-37x+115=0 | | 7x-9=-69 | | -x/4=5 | | 2(4x+8)-15=1 | | -4(2x-3)+4=-8x+16 | | (-1/9)(1/11)(-6/13) | | 0.4x-0.6=0.3x+8 | | y=-3(-4)-6 | | 6(x+4)-1=25-3x-2+9x | | -13=3(-6)+5 |