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avanturin [10]
3 years ago
10

Beth solved the system of equations by making a substitution for y in the second equation.

Mathematics
1 answer:
alexdok [17]3 years ago
5 0
When Beth made the substitution, she got
  3x +5(4x -11) = -9
After using the distributive property to eliminate parentheses, her equation was

  3x +20x -55 = -9 . . . . . . . . . . matches the 3rd selection
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