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 = 70 // - 70
(-1/2)*x-70 = 0
-1/2*x-70 = 0 // + 70
-1/2*x = 70 // : -1/2
x = 70/(-1/2)
x = -140
x = -140
| 5x-(-7)=2 | | y=-3x^3-1 | | 1/4(5x-2)=-3 | | 4x-7(x-3)=42 | | 5+8a+9=5 | | 4x-7(x-3)=43 | | 180=-2x+(-3x+3) | | -13=x-7-4x | | 7-(n-9)=5 | | 8x+4=7x+18 | | 5=sec^2(x)+3 | | ln(x^2-7)=ln(1-2x) | | T=56-29x | | (6x-34)/x=7 | | x^2+5x+6-x^2+5x-6=5 | | 4x=2+3y | | 6x-4=8x-4 | | 5(4k-2)+7(4-3k)=17 | | 5x^2+3x-32=4x^2+8 | | 8n-7=-25+6n | | 24=3(2p-7)-p | | .30*n=44.04 | | 7x+10-5x+20=18 | | 2u^2-4u-6=(u-3) | | 4m/80n | | -6-x=4(3+5) | | x+6-y=2 | | 5x*2=20 | | .06*w=3.2 | | 7x-3y=45 | | 6sin(2x)-5=0 | | 9y+7=5x+8 |