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balu736 [363]
3 years ago
15

= 7" alt=" \frac{x}{4 } + 5 = 7" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
harina [27]3 years ago
8 0

<u><em>x=8 is the correct answer.</em></u> First you had to subtract by 5 from both sides of equation, and it gave us, \frac{x}{4}+5-5=7-5. And then simplify, and it gave us, \frac{x}{4}=2. Then you can multiply by 4 from both sides of equation, and it gave us, \frac{4x}{4}=2*4. And finally simplify, and it gave us the answer is 2*4=8, or <u><em>x=8 is the correct answer.</em></u> Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

KATRIN_1 [288]3 years ago
5 0

Here is your equation:

\frac{x}{4} + 5 = 7

You're looking for x. To find x alone, you have to remove everything on the same side of it. On that side you have:

\frac{x}{4} + 5

The only thing you need to remove is +5(positive 5). To remove it, you have to  do the opposite of it, which is -5(negative 5). It is also the same as subtracting 5. Subtract 5 from both sides:

\frac{x}{4} + 5 - 5 = 7-5 \\ \\ \frac{x}{4} = 2

x divided by 4 is equal to 2. To find x, you have to do the opposite of what's happening to it. x is being divided by 4. The opposite of that is multiplying by 4(times 4).

\frac{x}{4}=2 \rightarrow x = 4 \times 2

Multiply:

4 \times 2 = 8

That means your answer is 8 ; x = 8

<em>If you have any questions, feel free to ask in the comments! :)</em>

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Gloria sold 78 apples, Berta sold 4 less than 9 times as many apples as Gloria. How many apples did Berta Sell?
slega [8]

Answer:

698 apples

Step-by-step explanation:  78*9 equals 702.  She sold 4 less than that so you need to subtract 4.  702-4=698 apples Berta sold.

5 0
3 years ago
Is it C ? am I right
sveta [45]

Answer:

You are right!!

Step-by-step explanation:

- 8 = 4 x (- 2)

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8 0
3 years ago
A cookie jar contains 6 chocolate chip cookies, 4 oatmeal cookies, 8 peanut butter cookies, and 2 sugar cookies. If a cookie is
Tpy6a [65]
You have 20 cookies total in the jar.  The probability of choosing an oatmeal is 4/20, and the probability of choosing a peanut butter cookie is 8/20.  In order to find the probability of pulling a peanut butter cookie OR an oatmeal cookie, we have to add the probabilities together.  8/20 + 4/20 = 12/20 or 6/10 or 3/5.  The answer is C.
7 0
3 years ago
Angelina wants to buy the same number of pens and pencils. Pens come in 8 packs and pencils come in packs of 9. What is the leas
andrew11 [14]

Answer:

Angelina should buy 9 packs of pens and 8 packs of pencils.

Step-by-step explanation:

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Each pack of pencils = 9 pencils.

Also we know that, Commutative Property of Multiplication states that

a x b = b x a for any two numbers a and b.

So, 8 x 9 = 72 = 9 x 8

Hence, she should buy 9 packs of pens, so she will have 9 x 8 = 72 pens.

And she should buy 8 packs of pencils, she will have 8 x 9 = 72 pencils.

7 0
3 years ago
Help me please don’t understand
Nina [5.8K]

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Do those operations in that order. Can you try?

What will be the first thing you do here, according to PEMDAS?

5 0
3 years ago
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