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Lynna [10]
3 years ago
11

- 9(x + 2) > 9(x – 3)

Mathematics
1 answer:
mezya [45]3 years ago
5 0

Answer:

x < 1/2

Step-by-step explanation:

Distribute: -9x - 18 > 9x - 27

Collect like terms: -18x > -9

Divide both sides by -18: x < 1/2.

The sign changes because both sides were divided by a negative number.

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6 0
3 years ago
Simplify -4(3-1)+2 <br><br>​
nikdorinn [45]

To solve this you must use the rules of PEMDAS (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)

First we have parentheses.

-4(3 - 1) + 2

3 - 1 = 2

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We have no exponents so go on to multiplication

-4(2) + 2

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No division so go to addition

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When adding a positive number with a negative number you will act as if you are subtracting the two numbers, then take the sign of the largest number  (disregarding the signs). In this case the largest number is 8 and its sign is negative. Your answer will have a negative sign.

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3 years ago
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marusya05 [52]

Answer:

If Q=2.1(R)+5, then it would be 2.1(5)+5=15.5 ?

Step-by-step explanation:

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A number line going from negative 4 to positive 4. What is the distance between 0 and –2? Use the number line to answer the ques
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Answer:

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Step-by-step explanation:

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3 years ago
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