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NNADVOKAT [17]
2 years ago
9

Simplify1)5x+3=x+132)5/2x-1/X =1/6​

Mathematics
2 answers:
Artyom0805 [142]2 years ago
8 0

Step-by-step explanation (Question 1):        

<u>Step 1: (Question 1): Subtract x from both sides.</u>

5x+3=x+13

5x+3−x=x+13−x

4x+3=13

<u>Step 2: (Question 1): Subtract 3 from both sides.</u>

4x+3−3=13−3

4x=10

<u>Step 3: (Question 1): Divide both sides by 4.</u>

4x/4 = 10/4

FIRST ANSWER: x = 5/2

Step-by-step explanation (Question 2):      

<u>Step 1: (Question 2): Multiply by LCM</u>

15x^2 - 6 = x

<u>Step 2: (Question 2): Solve 15x^2</u>

15x^2 - 6 = x:

x = 2/3

x = -3/5

<u>Step 3: (Question 2): Solve</u>

ANSWER: x=0.666667 or x=−0.6

See Attachment 1 for question 1 steps (FULL)

See Attachment 2 for question 2 steps (FULL)

Answer:    

1)   x = 5/2

2)  x=0.666667 or x=−0.6

 

Hope this helps.

Nezavi [6.7K]2 years ago
8 0

Answer:

1) x = 5/2

2) x = -10

Step-by-step explanation:

1)

⇒ 4x = 10   [subtract x from both sides; subtract 3 from both sides]

⇒ x = 5/2   [divide both sides by 4]

2)

⇒ \frac{5}{2x} - \frac{1}{x} = \frac{1}{6}  

⇒ \frac{2x}{5} - \frac{x}{1} = \frac{6}{1}   [reciprocal function to both sides = x^-1]

⇒ \frac{2x}{5} - x  = 6   [simplify denominators]

⇒ 2x - 5x = 30   [multiply both sides by 5]

⇒ -3x = 30   [collect like terms]

⇒ x = -10   [divide both sides by -3]

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· Author has 184 answers and 67.6K answer views
Let the number be (10 x + y)

Then, 10 x + y = 3 * (x + y) (given)

Or, 10 x + y = 3 x + 3 y

Or, 10 x - 3 x = 3 y - y

Or, 7x = 2 y

Or, x = 2 y / 7 ( Eq. 1)

Also, 10 x + y + 45 = 10 y + x ( given)

Or, 10 x - x = 10 y - y - 45

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Substituting the value of x from (Eq. 1) in (Eq. 2), we have:

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