If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
(4/5)*m = 15 // - 15
(4/5)*m-15 = 0
4/5*m-15 = 0 // + 15
4/5*m = 15 // : 4/5
m = 15/4/5
m = 75/4
m = 75/4
| 12y-8+4y+4= | | 16x+1=29x-1 | | 3x+4y+5x-2y= | | -3/7=15/x | | 12x-(3x-6)=69 | | 3x=-4.2 | | x-33=2x+3 | | 11x-(4x-9)=72 | | ((34-3y)/4)^2 | | 100=-50-x | | (8p-8)/(8)*(8p^2)/(9p-9) | | 6x-4(x+17)=-56 | | dy^2+my=p | | 1/9=x/4 | | (x+9)+(x+1)=33 | | 4t^2-121= | | 5a+1=6b-3 | | 13=-2x | | 13=y-15 | | f(5y)=x^2+7 | | 2x+42=6(x+7)-4x | | 190.95=6s+15.87 | | 3(2x-9)=-75 | | 3x+0.15=27 | | -7=x/2-2 | | t-5-2+5= | | 330.16=220+.54x | | 21x=2x+57 | | .33(21x+15)-10=.5(8x-16) | | 4x+y=64 | | 12345678*87654321=a | | 8b+6-8b+r= |