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)
15*x+7.5 = (3/4)*x // - (3/4)*x
15*x-((3/4)*x)+7.5 = 0
15*x+(-3/4)*x+7.5 = 0
57/4*x+7.5 = 0 // - 7.5
57/4*x = -7.5 // : 57/4
x = -7.5/57/4
x = -0.52631579
x = -0.52631579
| 18x-40=6x | | (3v-8)(9+v)=0 | | y/5=-55 | | 4y-15= | | 9.6=x/3 | | 12=6/7y | | 28-54q=35q-61 | | 4/w+3-3/w+2 | | 7u/4=49 | | 21-22p=71-47p | | (x+1)(2x+1)=45 | | x(2x+7)(x-4)=0 | | x+2x+3x=5-4x+3 | | 3y-18=18y | | 5+9c=2-6c+8 | | 6y=9-2x | | 0.08+0.12(100-y)=10.8 | | 7.5+5x=3/4 | | 7s+8-3s=5s | | (t^6)+(4*t^3)=32 | | 6y+3x=5 | | 8y+12(100-y)=108 | | f(gh)=(fg)h | | 200.00+0.05w=75.00+0.10w | | c+0=c | | 200.00+0.05w=400 | | 11-3t=-7-4 | | 75.00+0.10w=400 | | -2t+9=6+5t | | 4n-3/6+1=2n-1/3n+4 | | -5n(-9n+1)= | | Y/8+5.4=7.4 |