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)
45/100 = x/70 // - x/70
45/100-(x/70) = 0
9/20-1/70*x = 0 // - 9/20
-1/70*x = -9/20 // : -1/70
x = -9/20/(-1/70)
x = 63/2
x = 63/2
| -5k+-19=5+-13k | | -3t-8+7t=34+9t-3 | | log(5x)+log(11)=1 | | 14*(1/42)=3 | | 7x+42=1-6x-30 | | 325.00-45.00-35.00= | | x+4*x^2=80 | | 8+2(4y-5)=-4(2y-1)+4y | | 1+p+2p=1+3p | | 5=6c | | 2m^10n^2*4mn^7= | | 4x-7x=26-8 | | ((16z^10)/(8z^3))^-2 | | 2m-16-m=-m-6 | | (x-1000)(2x+3)=0 | | 8(2x+1)3x+4=4x+3 | | 5-7k=1-8k | | log(x)=0.42 | | 10ab+9-2ab= | | x^4-3x^2+34=0 | | 48-1x=4x-7 | | 3(y+2)=-2(8y-6)+4y | | 0.001x+0.0002=0.003y | | 5+.40x=-2 | | (3k^3)/(5k) | | 100+100+60+84= | | -124=-11x | | 2-7[1+3c]=15 | | Log(8)32768=x | | 3e-19=-3(e+2) | | -40=-6s | | 7/6c-c-6=0 |