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Marina CMI [18]

3 years ago

15

7 − 9x − (x + 12) less than or equal to 25?

1 answer:

Nonamiya [84]3 years ago

6 0

Answer:

x ≥-3

Step-by-step explanation:

7 − 9x − (x + 12) less than or equal to 25

7 − 9x − (x + 12) ≤ 25

Distribute the minus sign

7 − 9x − x - 12 ≤ 25

Combine like terms

− 10x −5 ≤ 25

Add 5 to each side

− 10x −5+5 ≤ 25+5

− 10x ≤ 30

Divide by -10. Remember that this flips the inequality

− 10x/-10 ≥30/-10

x ≥-3

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