If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
w/2 = 42 // - 42
w/2-42 = 0
1/2*w-42 = 0 // + 42
1/2*w = 42 // : 1/2
w = 42/1/2
w = 84
w = 84
| (3a^2-7xy)(3a^2+7xy)= | | 7-11x=4-4x-(6/3(4+2^2)+7x) | | X/2+7=10 | | 9/4-1/4g=1/2g | | (r+s)(r^2-rs+s^2)= | | 2*x=20*x-(500+10*x) | | X/2+3=0 | | x^2+8x+55=0 | | x/6=10 | | y/5-y/4=2 | | 72+(-10)=62 | | X/2+1=0 | | 3x-4y+4x+2y= | | x^2+7=2x^2-x-5 | | (x*4)=((x*2.5)+9) | | X/3+1=4 | | X/3+12=-4 | | 9x+21+11x-1=90 | | 9x^2-30x-3=0 | | X/5-3=-5 | | (40-4x)+(50-8x)=180 | | -3v+5+3= | | (18x+8)+17x-3=180 | | 3n-3n= | | 26x+24y=632 | | 5p+3r-2p+6r= | | -11=-35-c | | s-8=4t-3 | | (x)=x^2-7x | | 9over-5=1 | | f(x)=x^2-7x | | 2a-1=3.5-3 |