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Svetlanka [38]
3 years ago
12

Solve for x. X+ 2 1/5=5 3/5

Mathematics
2 answers:
Alexxandr [17]3 years ago
3 0

Answer:

x=17/5

Step-by-step explanation:

2 1/5=11/5

5 3/5=28/5

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

x+11/5=28/5

x=28/5-11/5

x=17/5

forsale [732]3 years ago
3 0

x+ (2 + 1/5)=(5 + 3/5)

5x = 17

x = 17

5 = 3.4

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sophia is 6 years older than her brother eric. the sum of their ages is 28. write and solve an equation to find sophia and Eric'
zimovet [89]

s = 6 + e

s + e = 28

We can use this system of equations to find the exact values of s and e.

We have a current value of s, so we can find the exact value of e now.

e + e + 6 = 28

<em><u>Combine like terms.</u></em>

2e + 6 = 28

<em><u>Subtract both sides by 6.</u></em>

2e = 22

<em><u>Divide both sides by 2.</u></em>

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Now we have an exact value of e, and can solve for the value of s.

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6 0
3 years ago
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dimaraw [331]

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Now the bold numbers 42 and 84 are both divisbile by 6 and 7. Now If I change the || to && in the above code, the result shows only 42 and 84.

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A number consist of 2 digits whose sum is 8, If 8 is subtracted from the number, the digits interchange their place. The number
Novay_Z [31]

Step-by-step explanation:

Let's say the two digit number is 10x + y, where x is the first digit and y is the second digit.

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x + y = 8

If 8 is subtracted from the number, the digits switch place.

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Substitute from the first equation.

y = 8 − x

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x = 4.444

There's a problem.  x isn't an integer.  Are you sure you copied the problem correctly?  Perhaps you meant if 18 is subtracted from the number, the digits switch place.

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9x − 18 = 72 − 9x

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