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3 years ago

Can sumbody help meh wit dis plz

Mathematics

2 answers:

babunello [35]3 years ago

7 0

Answer: B (5x - 4y)

Step-by-step explanation:

Well, let’s take a look at the like terms:

3x and 2x

3y and 7y

So, now let’s solve it!

= 3x + 2x + 3y -7y

Lets add the 3x and 2x first! Keep in mind, it doesn’t matter which like terms are combined first!

= 5x + 3y - 7y

Now, let’s combine the 3y and 7y! Here, they are using subtraction! You can just leave the 5x there!

= 5x - 4y

That is your final answer!

fiasKO [112]3 years ago

3 0

Answer:

5y 4x

Step-by-step explanation:

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3 years ago

A positive number is 3 times another number.

Juli2301 [7.4K]

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The smaller number can be 8 or $\frac{1}{5}$ .

Step-by-step explanation:

Consider the provided information.

let the larger number is x and the smaller number is y

A positive number is 3 times another number.

$3y=x$

If we add 2 to the larger and 5 to the smaller, then one of them becomes 2 times the other.

Case I: If 2nd number is 2 times to the first number.

$x+2=2(y+5)$

Substitute the value of x.

$3y+2=2y+10$

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Now substitute the value of y in $3y=x$

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Therefore, the smaller number is 8.

Case II: If 1st number is 2 times to the second number.

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Substitute the value of x.

$2(3y+2)=y+5$

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Therefore, the smaller number is $\frac{1}{5}$ .

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3 years ago