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