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Sonbull [250]
3 years ago
12

4/x-7=7/x+6 What is x

Mathematics
1 answer:
marissa [1.9K]3 years ago
6 0

Answer:

21

Step-by-step explanation:

4x + 24 = 7x - 49  \\ then \: collect \: the \: same \: variable \\ 4x - 7x =  - 49 - 24 \\ x =  - 63 \div  - 3 = 21

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Answer:

A). 15

B). -1.2

Step-by-step explanation:

A). [10(x+3)]-20 = 160

10x+30-20 = 160

10x+10 = 160

10x = 160-10

10x = 150

x = 150/10

x = 15

B). 5{[4(8+(5x))]-9} = 85

5(32+20x+9) = 85

5(32+9+20x) = 85

5(41+20x) = 85

205+100x = 85

100x = 85-205

100x = -120

100x/100 = -120/100

x = -1.2

----------------------------------------------------------------------

HOPE THIS HELPS!!!

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

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4 0
3 years ago
Solve for x. 2x + 9 = 33 What is the answer?<br><br> A 7.5<br><br> B 12<br><br> C 21<br><br> D 84
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2 years ago
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