If it's not what You are looking for type in the equation solver your own equation and let us solve it.
195=39r
We move all terms to the left:
195-(39r)=0
We move all terms containing r to the left, all other terms to the right
-39r=-195
r=-195/-39
r=+5
| f(5)=1500(1.074) | | b-1/3=7/9 | | 1/2x=3/5x-3/2 | | r-4/3=1 | | (8x+3)=59 | | k+3/3=2 | | 3n-6n=3 | | -4(8+2n)=-8n-32 | | k+33=2 | | 14y-7y=35 | | 35=-7p+12p | | 7x+3-8x=-5 | | 3000=1500*x³ | | 3x-80=-5x-25 | | 170=106-w | | 6+3x=-54+x | | 6(x^2)-21=-5(x^2)-4x | | 3.4=8v-9.4 | | 14=x-4+8x | | 4y-7=y+2= | | 5x+40=7x+8 | | 5r-15=-15*5 | | 4x+13=2x+4 | | 9(4x-7)=99x | | 7x-2×(x-1)=0 | | 7x-2)(x-1)=0 | | 4^x+4^x-1=320 | | 4x+6(x-3)=32 | | 2x+2(12.25)=57.50 | | z+z3+25=125 | | 4x-28=2x+34 | | 4x+0=x+18 |