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)
(0.7*X)/100 = 3000 // - 3000
(0.7*X)/100-3000 = 0
0.007*X-3000 = 0 // + 3000
0.007*X = 3000 // : 0.007
X = 3000/0.007
X = 428571.42857143
X = 428571.42857143
| -2-18=6(1-2x)+4 | | 8logx=24 | | 5(2x-2)-2=5(x-5)+43 | | (-x^2)+x+20=0 | | x*0.7=30 | | 3x-2+9x=14 | | 5p-4.2=-17.7 | | z^5=243i | | 18-3y=-8+10y | | jhjk/;l | | 15p+7p+5p-4q= | | (-6x+3)+(5x-4)= | | 16(x-1)=12x-36 | | 200/60 | | 2y-(-3)=18+y | | 10m+12n-5m+n+5= | | 3y-2=4y+7 | | 3x+x=-2.5+8.5 | | (3x^2)-14x+16=2 | | -16t^2+60t=56 | | 2sinX-3cosX= | | 3(4-2t)=2(3t-6) | | 5z-14=3z | | 7(12x+3)=84x-4 | | 6.76x+23.2x+372=0 | | 3+5z=13+6z | | 10e^2x+2=4 | | 7x-91=112 | | 6.76+23.2x+372=0 | | 4y-36=12+y | | 1369x+59x-210=0 | | 2(2w)+2(w)=216 |