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)*(4*x+2) = 4*(2-(2*x))+12 // - 4*(2-(2*x))+12
(2/5)*(4*x+2)-(4*(2-(2*x)))-12 = 0
(2/5)*(4*x+2)-4*(2-2*x)-12 = 0
2/5*(4*x+2)-4*(2-2*x)-12 = 0
2/5*(4*x+2)-4*(2-2*x)-12 = 0
48/5*x-12-36/5 = 0
48/5*x-96/5 = 0
48/5*x-96/5 = 0
48/5*x-96/5 = 0 // + 96/5
48/5*x = 96/5 // : 48/5
x = 96/5/48/5
x = 2
x = 2
| -12x-18=0 | | 3x-2y=-35 | | 2x^2-89-9=0 | | 1/2x=9/14x+1/7 | | 2x(3x-7)=5(7-3x) | | x^2-52-11=0 | | 0.6x-0.1(12-3x)=-0.5(x-6) | | x^2+37-118=0 | | x^2-13-36=0 | | S=(2+2+3)8+2 | | x^2-11-14=0 | | 16T^2-40T+25= | | -x+6x= | | 24a^7+38a^4b^2+8ab^4=0 | | (x)=x^3-4x^2+3x-5 | | 80w^2-132W+40= | | -(5y+4)-(-4y-8)=-1 | | 250=20-c | | 6p^2-pq-12q^2=0 | | 250=20+c | | 6p^2-ow-12q^2=0 | | 27^(4/3)=(2x-1) | | -0.02x^2+104x-20000=0 | | 27^(4/3)=2x-1 | | (1/x^2-81)-(3/x-9)=(1/x+9) | | 1/2(x+3)=x-3 | | 8x+2+x=1+5x-15 | | 4(d-6)+7= | | 2(x+2)-(x+2)=3x-2 | | 2(x+2)-(x+2)=3x-1 | | q/20=10 | | 2(x+2)-(x+2)=x-1 |