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09-10-2020
Mathematics

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isabellacatherine99 isabellacatherine99

09-10-2020

Answer:

14

Step-by-step explanation:

(r + 3) + (4r - 28) = 45

5r - 25 = 45

5r = 70

r = 14

if you wanna check

14 + 3 + 4(14) - 28 = 45

45 = 45

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