If it's not what You are looking for type in the equation solver your own equation and let us solve it.
s in (-oo:+oo)
(5*s)/7 = 30 // - 30
(5*s)/7-30 = 0
5/7*s-30 = 0 // + 30
5/7*s = 30 // : 5/7
s = 30/5/7
s = 42
s = 42
| 4x-2b=5(2-x) | | m2-49/m2-5m-14x2m2-8/m2-2m | | -4/3-2/7w=-9/21 | | 7-3t+2(2t+4)=18 | | 2c-3=11 | | 6y-14y=-28-36 | | 45x^2-125y^2= | | -3y-11=4y+10 | | x*2-3x+2=0 | | 3a+2(a-3)=8 | | 3x-2*2=-1 | | 11=23-8x | | 3(5c-1)=13c+6 | | 5(x+4)-2x=11 | | 3w/20=12 | | 4x+6=78-8x | | 26+3y-4=15y-13-5y | | 23x^2-12x+21=0 | | 49x^2-14x-48=0 | | 34x^2-34x+65=0 | | (20t^3+45t)/(20t+10) | | 5(4x-7)=6(x-2) | | x+3=11y | | x+5y=15y | | 5/x=12 | | -m=7 | | 0,5*0,4*0,4= | | 0+N=3 | | 156/3 | | 9+F=12 | | 4x+4+3x-11=3x+19+3x-5 | | x^2-4/9=0 |