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-(z/4) = 2 // - 2
1-(z/4)-2 = 0
-1/4*z-1 = 0 // + 1
-1/4*z = 1 // : -1/4
z = 1/(-1/4)
z = -4
z = -4
| -7x-2(32)=-19 | | 7p-5p=8 | | -2.5x+17.89=24 | | -8=2(x-6) | | 6(f-7)-15=43 | | 2=r/3 | | 4w+3=-9 | | 8x-4=-6x+12 | | 3-j/3=1 | | 6(2d+3)=132 | | 2+5x-6=7x-2 | | 3=1/5-2 | | 3(2g-8)=2(g+16) | | 13-2r=1 | | y=60x+2150 | | 15=4x-2x+9 | | 17c+17=102 | | 19x-9=8x+59 | | -15-28s=-9-10 | | 17=29+0.75m | | 2(4x-2)=4x+12 | | B+10=42 | | 15x+14=0 | | X-3/7=20 | | -34+(-26)= | | 2ln(8x)=12 | | X-x3/7=20 | | 12-20n=-36-44 | | p(x)=3x^3-2x^2-5x-2 | | -51+41= | | y=1900-15x | | 4x-7y=-40 |