If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4r=45
We move all terms to the left:
4r-(45)=0
We move all terms containing r to the left, all other terms to the right
4r=45
r=45/4
r=11+1/4
| 10=j/3+9 | | 80=1/6k+120 | | 3+y/4=-7/8 | | -82+g=16 | | 16x-5=14x1 | | 1/4(2-x)=12 | | X²-19x-90=0 | | X+3x=2650 | | 2(7)5x=26 | | 4(1+4x)=-19-7x | | -8a+10=25-4a) | | -2.5x-10=40 | | 6x+70+4x+140=x | | 7+3x=5x+1 | | 10x=5x-7 | | -10x+4=214 | | (y+3)/6=(y-2)/5 | | s-100=-2 | | 2x+5=x+14 | | -108n=-6n | | 20-c=12;8 | | 3+w/6=-4.68 | | 7b+4-2b=24 | | 5x-(-8x)+4x=-68 | | b-3+4b=31 | | -5x^2-x-25=0 | | 4/2x=50-0.5x | | 15x-7=11x-23 | | 24=3x+8 | | 4/2x=30-0.5x | | 0.16(y-1)+0.08y=0.14y-0.1 | | (17x+8)+(12x(-4))=42 |