If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
r/5 = 12/20 // - 12/20
r/5-(12/20) = 0
r/5-3/5 = 0
1/5*r-3/5 = 0 // + 3/5
1/5*r = 3/5 // : 1/5
r = 3/5/1/5
r = 3
r = 3
| 1/4(4x-80)=5x | | p+18=1414 | | -(7x+3)-48=12 | | (2y^4/8z^6)^3 | | 21+3m=60 | | 6085+500-100= | | 0.04x+0.6=2.4 | | 5*(a+7)=5a+35 | | m/-4 | | (17e^x)/(2^x) | | 38+-54= | | 4(8)+3n=36 | | 6(-1/2) | | 25-(-3x+4)=45 | | 10x+3=2x-69 | | 21=-6v+3(v+6) | | d/4=-1.2 | | h=-9+h | | c+d+5=cd | | 6(2-1/2) | | 2y-6+12-4y=29 | | 9x+1=14x-3 | | 3x^2+12x-1=14 | | (18x+3)-7=-4 | | r+.5=4.5 | | f(x)2.3+3= | | (2d^3/3a)*(9a^2/5d)=0 | | f(x)2.3+2= | | 7x+1=10-2x | | (2d^3/3a)*(9a^2/5d) | | 2920-2580= | | 5=y+7x |