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)
X/2-10 = 5 // - 5
X/2-10-5 = 0
1/2*X-15 = 0 // + 15
1/2*X = 15 // : 1/2
X = 15/1/2
X = 30
X = 30
| Y=-257+483x | | 1/2(x-2)=1/3x-6 | | x+17=4x-22 | | -4d+7=-5d | | -3h=-2h+3 | | X+21=11 | | 5n=-7+4n | | 10x-12=-22 | | -2-3/4x=12 | | -280=7(8+8x) | | -21=5n+2n | | -8(1+7v)=272 | | -16=5m+3m | | (3x^4)^2/3x^8 | | -2(8+b)=-52 | | Sin8x1/2 | | (x-6)(x+6)+x^2=2x(x+4) | | b+44=5b-48 | | 3(x-4)+6=3(2x-9) | | 6+2x=188 | | 11s-21=6s+29 | | 0.9x+0.1=0.5(x-12) | | 5z=2z+27 | | w+96=2w+16 | | -10(6+b)=-110 | | 14+5x=5x-9 | | 4225=625+x | | 5ln(3x-5)=10 | | 2x-15=6x-83 | | 2.10+4.60n=15.90 | | (x^2+4)(x^2+4x)=0 | | 1-x/3-1-2x/4 |