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)*(10*x-4) = 7 // - 7
(1/5)*(10*x-4)-7 = 0
1/5*(10*x-4)-7 = 0
1/5*(10*x-4)-7 = 0
2*x-39/5 = 0
2*x-39/5 = 0
2*x-39/5 = 0 // + 39/5
2*x = 39/5 // : 2
x = 39/5/2
x = 39/10
x = 39/10
| -11/2d | | (4x+15)+(-5+2x)+(-10+6x)=360 | | 144/2 | | -[6z-(17z+9)]=9+(10z+1) | | 0=24x^3+20x^2-54x-45 | | 10+25=-5(9x-7) | | 2x-8y-9x+6y= | | 5x+5=49 | | (x-7)(x^2+10x+16)=0 | | 39x+52-14x-35=5x-13 | | (x-6)(x^2+9x+20)=0 | | 3x=16-1 | | 5x^2+25=-20 | | -16x^2+24x+50=0 | | 0.5(x-1/3) | | -2/-3d=8 | | (r-3)/10=r/16 | | -3(6y-7)-y=-4(y-5) | | 2x+4-5(x+1)=5x+6 | | 3(4x-6)=12(4x+3) | | y=-9/2x+4 | | -2x^2+20+48= | | b-31=12 | | (-2x^2)+20+48= | | -x-3=x+9 | | 0.2-y=-0.05x | | -8f=t | | 5.4x-0.2x=0 | | 9x-14=4x+31 | | 9x^2+8x+2=0 | | (9-2i)(-4+7i)= | | 0.5(x-1/3)=1/5(2x+7) |