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anzhelika [568]
3 years ago
7

In order to solve the equation, what must you do?

Mathematics
2 answers:
krek1111 [17]3 years ago
4 0

Answer:

You must divide by 3.

Step-by-step explanation:

3x / 3 = x

9 / 3 = 3

Hence x = 3

Drupady [299]3 years ago
4 0

Answer:

divide by 3 on both sides of the equation

Step-by-step explanation:

3x = 9

The variable x is being multiplied by 3. You want x alone, so you must use the opposite operation of multiplication to undo the multiplication by 3. The opposite of multiplication is is division. Since x is being multiplied by 3, you must divide by 3. The rule of equations is that you must do the same operation to both sides of the equation, so you must divide both sides of the equation by 3.

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What is 2(9x-1)+7(x+6)=-60
Harman [31]
2(9x-1)+7(x+6)=-60
Reorder the terms in parentheses
+(+18x-2)+7*(x+6)=-60
Remove unnecessary parentheses
+18x-2+7*(+x+6)=-60
Reorder the terms in parentheses
+18x-2+(+7x+42)=-60
Remove unnecessary parentheses
+18x-2+7x+42=-60
We move all terms containing x to the left and all other terms to the right
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We simplify left and right side of the equation
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We divide both sides of the equation by 25 to get x
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6 0
4 years ago
A local television station sends out questionnaires to determine if viewers would rather see a documentary, an interview show, o
IRINA_888 [86]

Answer:

144

Step-by-step explanation:

The best way to attempt this question is to solve it using a Venn diagram

From the given information, Let;

D = documentaries

I = interview shows

G = game show reruns

From the images attached below, we will see how the Venn diagrams are being drawn step by step and calculated.

i.e

= 300 - (90 + 60 + 24 + 6 + 12 + 18 + 24)

= 300 - 234

= 66

∴

No of those interested in exactly one kind of show = 66 + 60 + 18

= 144

∴\text{144 are interested in exactly one kind of show.}

7 0
3 years ago
15 Points - Please Help!
Ivan
<span>The first choice is correct.

Explanation<span>:

The formula for slope is m=(y</span></span>₂<span><span>-y</span></span>₁<span><span>)/(x</span></span>₂<span><span>-x</span></span>₁<span><span>). Once we find the slope using that formula, it goes in place of m in y=mx+b.

We do not yet have the y-intercept, but we can use one of the points to find it. We substitute the x-coordinate of one point in for x and the y-coordinate of the same point in for y; then we solve for b. This gives us the y-intercept.</span></span>
3 0
4 years ago
Read 2 more answers
The population density of Peru one year was approximately 23 people per square kilometer. Brazil had a land area of approximatel
timama [110]

Answer:

The answer is D. <u>195,500,000</u> People.

Step-by-step explanation:


5 0
4 years ago
Read 2 more answers
Dividing by 3 is the inverse of multipiying by 3.
Norma-Jean [14]

Yes that is indeed correct

7 0
3 years ago
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