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Paraphin [41]
3 years ago
11

If 11x+4=7+9x what does x=???/

Mathematics
2 answers:
Nataliya [291]3 years ago
6 0

Answer:

11x + 4 = 7  + 9x \\ 11x - 9x = 7 - 4 \\ 2x = 3 \\ x =  \frac{3}{2}

hope that helps uhh!!

deff fn [24]3 years ago
5 0

Answer:

x =  \frac{3}{2}  \\ 11x - 9x = 7 - 4 \\ 2x = 3

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Angles formed by Parallel lines 8th grade
pashok25 [27]
None since parallel lines never intersect.


I hope this helps! 
6 0
3 years ago
The average number of points a basketball team scored for three games was 63 points. In the first two games they scored the same
Jobisdone [24]

Answer:

3rd game: 59 The other 2 games 65 each

Step-by-step explanation:

(x+6)+(x+6)+x:3=63

Multiply all by 3

3x+12=189

3x= 177

x=59  (3rd=59    The other 2      65 each

59+65+65=189

189/3=63

3 0
3 years ago
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Evaluate: 39/y + 5y if x = 3 and y = 5.
Lelu [443]

<em>answer = 32.8 \\ solution \\  \frac{39}{y}  + 5y \\  =  \frac{39}{5}  + 5 \times 5 \\  =  \frac{39}{5}  + 25 \\  =  \frac{39 + 25 \times 5}{5}  \\  =  \frac{39 + 125}{5}  \\  =  \frac{164}{5}  \\  = 32.8 \\ hope \: it \: helps</em>

3 0
3 years ago
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Which expressions are equivalent to 3x+3(x+y)3x+3(x+y) ?
stealth61 [152]

Choice B because when you use distributive property, you'll get 3x+3x+3y*3x+3x+3y

4 0
3 years ago
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A newsstand seller sold a total of 68 magazines and newspapers, which brought in a total of $199 on a certain day. Newspapers se
oee [108]

Answer:

21

Step-by-step explanation:

Using inequality to solve this question, we say

Let the total number of newspapers sold be x

Let the total number of magazines sold by y

x + y = 68

Suppose 1x = $2 and 1y = $5, then

2x + 5y = $199

Solving both as a simultaneous equation, we get that

2(68 - y) + 5y = $199

136 - 2y + 5y = $199

136 + 3y = $199

3y = 199 - 136

3y = 63

y = 63/3

y = 21

Then solving for x, we have

x + 21 = 68

x = 68 - 21

x = 47

Therefore, a total of 21 magazines were sold that day

8 0
3 years ago
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