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)
(2*x)/5+20 = 10 // - 10
(2*x)/5-10+20 = 0
2/5*x+10 = 0 // - 10
2/5*x = -10 // : 2/5
x = -10/2/5
x = -25
x = -25
| 3/7+4/9 | | 5x-25=3x-43 | | x^2=8x+140 | | 3(4x+5)+x=54 | | 5x^2-8x+1=5 | | -23=2a-10-3a | | 25y=-5x | | -1=4-5a | | 18b^2-39b+18=0 | | -4(4x-5)-5x=-43 | | x(1.02)=10000 | | 8y=7y+6 | | Y+2=-3(x-1) | | -5-6(3n-6)=31 | | 16=5(p)4 | | 14=-2(2n-1) | | 24n^2+48n-126=0 | | 4a-2=-6 | | 16=5(p)-4 | | 2(x+2)+2x=102 | | 5+3/4c=26 | | -2n+4n=12 | | 12=4(k) | | -3/4(2x+1)=2 | | 9n^2+52n-12=0 | | 12=-4(k) | | 116=2(28)+2W | | 4x22/3 | | 0.5+1.8=-0.7 | | x/7+6=11 | | 84-4x=23x+18 | | 6x+3y+5z=0 |