How do you solve the inequality #d + 6 ≤ 4d - 9# or #3d -1 <2d + 4#?

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Answer 1 · 2018-08-12T11:59:00

#d+6 leq 4d-9#

Subtract #d# from both sides

#6 leq 3d-9#

add 9 to both sides

#15 leq 3d#

Divide by 3

#5 leq d#

#3d-1 < 2d+4#

Subtract #2d# from both sides

#d-1 < 4#

Add 1 to both sides

#d < 5#