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Vikentia [17]
3 years ago
13

Solve the compound inequality 7x ≥ –56 and 9x < 54.

Mathematics
2 answers:
ELEN [110]3 years ago
7 0

Hello,

7x ≥ -56

⇔ 7x / 7 ≥ -56 / 7

⇔ x ≥ -8

S = [-8 ; +∞[

9x < 54

⇔ 9x / 9 < 54 / 9

⇔ x < 6

S = ]-∞ ; 6]

:-)

Vedmedyk [2.9K]3 years ago
3 0

Answer: first one is x≥-8 second one is x<6

Step-by-step explanation: for the first one you divide both sides by 7 and the second won do the same except divide by 9 on each side

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