Mathematics, 30.06.2019 22:30 tangia

Plz me get the answer to these asap

Answers

$b \le -7$ which means b is less than or equal to -7

In other words, b can be -7 or it can be smaller (-8, -9, -10, etc)

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To get this answer, you simply subtract 9 from both sides. On the left side, the 9+b or b+9 will turn into b+0 or just b. On the right side, you'll have 2-9 turn into -7. This shows how $9+b \le 2$ becomes $b \le -7$

Note: to graph this on a number line, you would plot a closed circle at -7, then shade to the left of the closed circle. The closed circle means "include -7 as part of the solution set".

Answer from: Quest

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Answer from: Quest

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