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)
(3/10)*x-(7/12) = 0
(3/10)*x-7/12 = 0
3/10*x-7/12 = 0 // + 7/12
3/10*x = 7/12 // : 3/10
x = 7/12/3/10
x = 35/18
x = 35/18
| cos(3)x=cos(0.5)x | | a^2+3a-13=5 | | 15x^2+65x+20=0 | | 6x+1=70 | | m=3p-4 | | 9x+9y=27 | | -4=8+x | | n^2-10n+13=-3 | | 9n-4=5n-20 | | 5a^2b*2ab^2= | | x-2(4+3x)= | | x^2-16x=-48 | | h=7cos(0.5t)+10 | | 0.18(x-8700)0.15(x+8700)=50000 | | (4a^2-3ab-2b^2)(2a-5b)= | | 5x-7+2x=4x+8 | | 3x+x+2=46 | | 2/7x-12=36 | | x+x+0.33=50000 | | x+x+0.33=8700 | | 7b-2=3b-6 | | 12x-9=40x-12 | | 0.15(x+8700)+0.18(x+8700)=50000 | | x-4(3+2x)= | | -7(y+6)=-8y | | 3/4x-5/4x=-12 | | 8(x-4)=7(x-5) | | (3x+4)+(-4x+3)= | | 2x-3x=5x | | 2=2(t-7) | | 2(x-4)+5=-3 | | x-4(6+8x)= |