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3 years ago

Which expressions are equivalent to 12r - 5?

Mathematics

1 answer:

melamori03 [73]3 years ago

6 0

Answer:

Any real number can substitute for r, because there is not equal sign. As for expressions equivalent to 12r - 5, here are some:

3(4)r - 5

(6 + 6)r - (2^2 + 1)

(24 * 1/2)r + (-5)

The point is, there are countless expressions to represent 12r - 5

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Which answer choice is equivalent to the expression below?

Bess [88]

Answer:

the answer would be -13n-23

Step-by-step explanation:

first you want to distribute the brackets

-7(2+n) = -14-7n

+(-9-6n)

-9-6n

-14-7n-9-6n

combine the n value with an n value and an integer that doesn't have an n value

-7n-6n-14-9

= -13n-23

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3 years ago

How do you solve -1x+20 is greater than -7+35

rusak2 [61]

$\huge\fbox{Hello~there!}$

Let's solve this inequality!

$\rm{-x+20>-7+35$

What can we do to solve this inequality? Well, first of all, we can add -7 and 35:

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Now, move 20 to the right, using the opposite operation:

$\rm{-x>28-20$

Subtract:

$\rm{-x>8$

Divide both sides by -1 to isolate x:

$\rm{x$ (Answer)

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Additional comment

When we divide both sides of an inequality by a negative number, we flip the inequality sign.

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I hope you find it helpful.

Feel free to ask if you have any questions.

$\bf{-MistySparkles^**^*$

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Answer:

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Step-by-step explanation:

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Read 2 more answers

Jim bought 4 pairs of pants for $30, 2pairs of t shirts for $15, 3 pairs of shorts for $20 what is an expression that can be use

Elanso [62]

Answer:

$30+$15+$20

Step-by-step explanation:

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