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)
(1/2)*x-10 = 200 // - 200
(1/2)*x-200-10 = 0
1/2*x-210 = 0 // + 210
1/2*x = 210 // : 1/2
x = 210/1/2
x = 420
x = 420
| 3a+2b=cforb | | x-2x=-3x+2 | | -(5a+6)=2(3a+18) | | -1/4(24+8x) | | 1+1+.75x=-9 | | 8p-9=4+5p | | -12+3b=7b-b | | 0.5x+x-3=x-5 | | 1/3(6x9) | | 5y-3+y+14=7y+20-4y | | 86+3x=-7x-94 | | -4t-4+9t=8t-8 | | 2y-3+3a=4t+2 | | x-2x=-x-3 | | 5x-1/4(24+8x) | | 3(6+2)/2=36-30/4 | | 9+1/9-1 | | 6(7y+2)-8=-2 | | -7x+-3x+2=8x+-8 | | 15x+4=17x-4 | | 8-5n+3n=48-80 | | 5(2x-5)=2(x+6)+13 | | 17-25+6=179 | | -1+2*2=y | | 2(t-2)+5=9 | | 87645754444444444444444444444444444444444444444444444444444444444444444444444444+1=87645754444444444444444444444444444444444444444444444444444444444444444444444445 | | -1+2*0=y | | -4(5p+3)-48=3(2p+6) | | 5x+7=-2-4x | | m/9=25/m | | 4+3i/5+5i | | -1+2*-2=Y |