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Part K Now simplify the expression (3d - 12) - (2d + 3) you wrote in part I,

Part I Dylan weighs 45 pounds. Use the simolified exoression vou found in

User SSBakh
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Answer:

d - 15

Explanation:

(3d-12) - (2d + 3) = (3d-12) - 2d-3

= 3d - 12 - 2d- 3 = 3d-2d -12 -3

= d - 15

when we substitute 45 in the simplified expression

45 - 15 = 30

User Bitoiu
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