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)
(2/3)*z = 42 // - 42
(2/3)*z-42 = 0
2/3*z-42 = 0 // + 42
2/3*z = 42 // : 2/3
z = 42/2/3
z = 63
z = 63
| 7x+5=10x+4 | | -21+9= | | (x-8)/6=9/27 | | x^2+y^2-12x+2y+28=0 | | 7x-5=-10x+4 | | f(x)=(x^2+2)(3x-1) | | 9z=14-23 | | 2y+5y=4 | | -2y+x=5 | | -56=-2(3b-9)-(2+6b) | | 25x+350=92x | | 3-5(0)=10 | | 0.125(y+42)-15=3 | | 3x+3y=2x | | -13x=-15 | | 3000-120x=1500x | | -2x^3-3x^2+8x-3=0 | | 2-5(0)=10 | | 74+3x-11=6x | | y-7=3(x+4) | | 4f=18 | | 4-6=54 | | 3x+8=12-x | | (1-w)(5w-9)=0 | | 2-5(1)=10 | | X^2+55x=0 | | 99+90+90+x^2=360 | | 8.5-4c=2c-4 | | 2-5(3)=10 | | -32+17=-11x | | 5(3x+4)=15-7x | | 21/24=x/40 |