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Solve the equation.

20=r+11

r=

Solve the equation.\newline20=r+11 20=r+11 \newliner= r=

Full solution

Q. Solve the equation.\newline20=r+11 20=r+11 \newliner= r=
  1. Given equation: We are given the equation 20=r+1120 = r + 11. To find the value of rr, we need to isolate rr on one side of the equation. We can do this by subtracting 1111 from both sides of the equation.\newlineCalculation: 2011=r+111120 - 11 = r + 11 - 11
  2. Isolating rr: After performing the subtraction, we get the equation 9=r9 = r.\newlineThis shows that rr is equal to 99.

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