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30.06.2019 •
Mathematics
Simplify to create an equivalent expression. 2 ( − 1 4 + r ) − ( − 3 r − 5 ) choose 1(choice a) a: 5r − 23 choice b) b: 5r − 33 (choice c) c: − 5r − 23 (choice d) d: 5r + 23
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Ответ:
5r-23 Choice A
Step-by-step explanation:
2 ( − 1 4 + r ) − ( − 3 r − 5 )
distribute
2*-14 +2*r - 1*-3r -1*-5
-28 +2r +3r +5
combine like terms
2r+3r -28+5
5r-23
Ответ:
dooes
Step-by-step explanation: