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Simplifying
49r2 + 2 = 27
Reorder the terms:
2 + 49r2 = 27
Solving
2 + 49r2 = 27
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-2' to each side of the equation.
2 + -2 + 49r2 = 27 + -2
Combine like terms: 2 + -2 = 0
0 + 49r2 = 27 + -2
49r2 = 27 + -2
Combine like terms: 27 + -2 = 25
49r2 = 25
Divide each side by '49'.
r2 = 0.5102040816
Simplifying
r2 = 0.5102040816
Take the square root of each side:
r = {-0.714285714, 0.714285714}
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