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Simplifying
49r2 + -5 = 11
Reorder the terms:
-5 + 49r2 = 11
Solving
-5 + 49r2 = 11
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 + 49r2 = 11 + 5
Combine like terms: -5 + 5 = 0
0 + 49r2 = 11 + 5
49r2 = 11 + 5
Combine like terms: 11 + 5 = 16
49r2 = 16
Divide each side by '49'.
r2 = 0.3265306122
Simplifying
r2 = 0.3265306122
Take the square root of each side:
r = {-0.571428571, 0.571428571}
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