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11-12-2020
Mathematics

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Explain how to solve | 2d | +3<7.

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Аноним Аноним

11-12-2020

Answer:

d<2 and d>−2

Step-by-step explanation:

| 2d | +3<7

Subtract 3 from both sides

| 2d | <4

Then absolute value rule

-4<2d<4

2d>-4 and 2d<4

divide both sides by 2

d<2 and d>−2

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