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jonny [76]
3 years ago
12

Solve this equation 7x+4=39

Mathematics
2 answers:
kykrilka [37]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

Subtract 4 from both sides to isolate 7x

7x= 35

Divide both sides by 7

x=5

lakkis [162]3 years ago
7 0

Answer:

x=5

Step-by-step explanation:

move the constant to the right- hand side and change its sign

7x=39-4

subtract the numbers

7x=35

divide both sides of the equation by 7 which = 5

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8(x/4)>4 solve the inequality
Hoochie [10]

ANSWER


x>2

<u>EXPLANATION</u>

We have the inequality


8(\frac{x}{4})>4


We can cancel directly to get;


2(\frac{x}{1})>4


\Rightarrow 2x>4



We now divide both sides by 2,


\Rightarrow x>\frac{4}{2}



x>2


See graph in attachment

3 0
4 years ago
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Step-by-step explanation:

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3 years ago
Can someone please answer and explain please ILL MARK BRAINLIEST
Dafna11 [192]

Step-by-step explanation:

So, assuming that x would be the number of miles towed, this word problem gives us two linear equations:

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We see that these two lines intersect at the point (12.5, 62.5). Remember that the x-value stands for the number of miles. So, at 12.5 miles, both companies charge the same rate.

This means that Morgan Motors is cheaper for any number of miles less than 12.5. In contrast, Brook's Body Shop is cheaper for any number of miles more than 12.5.

In conclusion, if you had to be towed less than 12.5 miles, you should go to Morgan Motors because they are cheaper for short distances. If you had to be towed more than 12.5 miles, you should go to Brook's Body Shop because they are cheaper for longer distances.

7 0
3 years ago
Please HELP<br>what are the two angles called​
pashok25 [27]

Answer:

The angles are supplementary.  

Step-by-step explanation:

Both angles lie on a straight line.  When two angles are right next to each other on a straight line, then they add up to 180...therefore they are supplementary.

Hope this helps!! :D

5 0
3 years ago
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