If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
1/2-((3/25)*z) = 12/25-((1/10)*z) // - 12/25-((1/10)*z)
(1/10)*z-((3/25)*z)+1/2-(12/25) = 0
(-3/25)*z+(1/10)*z+1/2-12/25 = 0
1/50-1/50*z = 0 // - 1/50
-1/50*z = -1/50 // : -1/50
z = -1/50/(-1/50)
z = 1
z = 1
| 6=q-2n+5 | | y=0.4(53)-8 | | -2-6x=5-7z | | 17.50(x+4)=315 | | -2-6x=10x+20 | | 4(1y-1)=36 | | 7h+51=72 | | 2w+3/5=6 | | 2(7x-7)+4=14x-10 | | (3(y-1)/2)=-3y | | 11j=6j+14 | | 2x^2-432=0 | | 2x+36=10x+10 | | 3n+(-6)=36 | | 20-(-b+14)=32 | | 17-g=20 | | 11x+9=6x+4 | | 7d+8=5d+26 | | x^2-21x-49=0 | | (x-4)(x+3)=1 | | f+(-8)=16 | | 7a^2-14a= | | y=-0.1(55)+12 | | 0.125(6+x)=2.50 | | y=-0.1x+12 | | a^2+4a= | | 15n+25=(n-7) | | 3+z=1 | | 1/3x+1/4x=4 | | -3/5x=2/3 | | 6m/22m+22n | | 12p-9=39 |