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Simplifying
1519.76 = r2 * 3.14
Reorder the terms for easier multiplication:
1519.76 = 3.14r2
Solving
1519.76 = 3.14r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14r2' to each side of the equation.
1519.76 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
1519.76 + -3.14r2 = 0.00
Add '-1519.76' to each side of the equation.
1519.76 + -1519.76 + -3.14r2 = 0.00 + -1519.76
Combine like terms: 1519.76 + -1519.76 = 0.00
0.00 + -3.14r2 = 0.00 + -1519.76
-3.14r2 = 0.00 + -1519.76
Combine like terms: 0.00 + -1519.76 = -1519.76
-3.14r2 = -1519.76
Divide each side by '-3.14'.
r2 = 484
Simplifying
r2 = 484
Take the square root of each side:
r = {-22, 22}
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