If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
81r2 + -5 = 44
Reorder the terms:
-5 + 81r2 = 44
Solving
-5 + 81r2 = 44
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '5' to each side of the equation.
-5 + 5 + 81r2 = 44 + 5
Combine like terms: -5 + 5 = 0
0 + 81r2 = 44 + 5
81r2 = 44 + 5
Combine like terms: 44 + 5 = 49
81r2 = 49
Divide each side by '81'.
r2 = 0.6049382716
Simplifying
r2 = 0.6049382716
Take the square root of each side:
r = {-0.777777778, 0.777777778}
| 5y+15x=10 | | -257.1*(-0.1)=x | | 7x^2+4x=0 | | 12(-0.6)=x | | 3x^2+2x-5=-2x^2-x-2 | | -2x^2-6x=-8 | | 19=-2x+y | | 9w^2+6w+1=0 | | .67p+12=.34p+10 | | 52x-46-71x=-9x-46 | | z=4y+0.5x | | 4y=6y-10 | | 3y-9=6 | | -9+6=15 | | log^36(x)=-.5 | | y+-6=11 | | 2(5)-1=9 | | 2(x+6)=16x-4x+8 | | (x+0.01x+0.04x)=(x+0.01x+0.04x)-0.01(x+0.01x+0.04x)-0.04(x+0.01x+0.04x) | | -2(x-4)=3x+6-5x | | 30=8x-(x-4) | | 6-3(-2)=12 | | 9-3(1)=12 | | 5(2.5x-1)=3(1.5x-4) | | x^10-13x^5-30=0 | | 6x+5+7x+3=12x+4 | | (x+0.01y+0.04z)=(x+0.01y+0.04z)-0.01(x+0.01y+0.04z)-0.04(x+0.01y+0.04z) | | -9n+2=-7n-4 | | -5n+12=-3n-8 | | 2n^2-5n-1=0 | | -4y-11=5y+43 | | -10c(x+5)+62=-19-19 |