#### Answer

−5≤d≤5

#### Work Step by Step

|4d|≤20⟶ write as a compound inequality
−20≤4d≤20⟶ divide all parts by 4
−20÷4≤4d÷4≤20÷4⟶ divide
−5≤d≤5

Published by
Prentice Hall

ISBN 10:
0133281140

ISBN 13:
978-0-13328-114-9

−5≤d≤5

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