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sesenic [268]
3 years ago
11

Which expressions are equivalent to -1/3(12-9+6x)

Mathematics
1 answer:
Mrac [35]3 years ago
5 0

Answer:

-2x-1

Step-by-step explanation:

first you simplify what is inside the parenthesis to get: -1/3(6x+3)

then, you distribute the -1/3 to each of the numbers inside the parenthesis to get: -2x-1

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Marie has 4 times less marbles then Ryan would have if he lost 15 marbles (it means he would have x-15)
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We got an equation:                                  x-75=1\frac{1}2\cdot\frac{x-15}{4}

                                                                  x-75=\frac{3}2\cdot\frac{x-15}{4}

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Divide both sides by 5:                               x=111


Answer:    Ryan have 111 marbles.

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