If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r=78.5^3.14
We move all terms to the left:
r-(78.5^3.14)=0
We add all the numbers together, and all the variables
r-891026.70846612=0
We move all terms containing r to the left, all other terms to the right
r=891026.70846612
| -4x-3+6x=5 | | 3(2x=5)=3x/4+36 | | 10000(1+0.05n)=15,000 | | 4.2x+2.5(-3)=2.5 | | –11=n3− 12 | | 2+x+(x+10)=90 | | 4(x)=12 | | 7/10=x2/3 | | 4+30x=90 | | 50+v=90 | | 4x=15+54 | | -1/6x-12=-7 | | 4÷f=49 | | 23.3=-2.9c | | y=14292.192(1.06) | | y=13483.2(1.06) | | 6^x=6^20 | | 4/55p=2p+15 | | 160-x=260 | | y=12720(1.06) | | d−17=–14 | | x+9=–2x−6 | | y=12000(1.06) | | 4/x-3=2/6 | | 12.9=7.5+0.9m | | 7(2x+4)=224 | | 110=3x+5110=3x+5 | | 110=3x+5110 | | -2x+1=8(x+2)-51 | | –4+2q=8 | | 4h-14=-2 | | x+36=66 |