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SIZIF [17.4K]
2 years ago
9

What expression is the simplest form of -(4x+y) +2(x-3y)?

Mathematics
2 answers:
alexgriva [62]2 years ago
8 0

Answer:

C. -2x-7y

Step-by-step explanation:

We have been given an expression -(4x+y)+2(x-3y). Weare asked to simplify our given expression.

Using distributive property property a(b+c)=ab+ac, we will get:

-1*4x-1*y+2*x-2*3y

-4x-y+2x-6y

Now, we will combine like terms.

-4x+2x-y-6y

-2x-7y

Therefore, the simplified form of our given expression would be -2x-7y and option C is the correct choice.

jolli1 [7]2 years ago
7 0

the answer would be d, very much appreciated if you would give me brainliest

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3 years ago
in a five character password the first two characters must be digits and the last three characters must be letters if no charact
Vilka [71]

Answer:

1,404,000 unique passwords are possible.

Step-by-step explanation:

The order in which the letters and the digits are is important(AB is a different password than BA), which means that the permutations formula is used to solve this question.

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The number of possible permutations of x elements from a set of n elements is given by the following formula:

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In this question:

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5 0
3 years ago
Y=2x+5 and y=3x+11 solve by substitution.
kondaur [170]

Answer:

Answer: x= -6 and y= -7

Step-by-step explanation:

Substitute 2x+5 for y in y=3x+11:

y=3x+11

2x+5=3x+11

2x+5+−3x=3x+11+−3x(Add -3x to both sides)

−x+5=11

−x+5+−5=11+−5(Add -5 to both sides)

−x=6

−x−1=6−1(Divide both sides by -1)

x=−6

Step: Substitute −6 for x in y=2x+5:

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y=(2)(−6)+5

y=−7(Simplify both sides of the equation)

-Source: MathPapa

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Please help me get this answer right
Scilla [17]
Please help me get this answer right

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