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Simplifying 53.4 = 3(3.14) * r Multiply 3 * 3.14 53.4 = 9.42r Solving 53.4 = 9.42r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-9.42r' to each side of the equation. 53.4 + -9.42r = 9.42r + -9.42r Combine like terms: 9.42r + -9.42r = 0.00 53.4 + -9.42r = 0.00 Add '-53.4' to each side of the equation. 53.4 + -53.4 + -9.42r = 0.00 + -53.4 Combine like terms: 53.4 + -53.4 = 0.0 0.0 + -9.42r = 0.00 + -53.4 -9.42r = 0.00 + -53.4 Combine like terms: 0.00 + -53.4 = -53.4 -9.42r = -53.4 Divide each side by '-9.42'. r = 5.668789809 Simplifying r = 5.668789809
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