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)
(5/3)*((3*x)/5) = 15*(5/3) // - 15*(5/3)
(5/3)*((3*x)/5)-(15*(5/3)) = 0
(5/3)*((3*x)/5)-25 = 0
x-25 = 0 // + 25
x = 25
x = 25
| x/7=x/6=9/7 | | 7=3x-10 | | (1/3)(12x-24)=16 | | 3/5x-1-9/4x-6 | | 7-.05k=7 | | 5xy=3+4x | | -3x-12y= | | 5x-6=30x+4 | | -5x(-16y)= | | 3x(7+2)=3(2-5) | | 2(2x+3)-7x=18+5x(x+2x) | | (3/7x)-1=2/3(6x-2) | | R+15=25 | | S^2+4s-21=o | | 5p+7-50=-21 | | -5x^2+61=16 | | 5(x-18)=20x | | (-3x)(6y)= | | x/7-1=x/6 | | 26x+17=5(5x+7) | | (11x+5)+(8x+4)=180 | | 900=8700/1500 | | R^2-19r=-17 | | (8a)(2x)= | | 7x^2+3x-11=61-52x | | 6x+2(x-3)+5=-25 | | 1/16x2-1/8x=1 | | 5(p+2)=5p+2 | | 4x+3=43-x | | 2(32-1x)=1(76-3x) | | -7(1-7n)=-7+2n | | 7(z+4)-(7+2z)=4z |