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beks73 [17]
3 years ago
7

How do I determine the number of solutions there are for this system of equations?2x+6y=5 x+3y=2

Mathematics
1 answer:
BARSIC [14]3 years ago
5 0
Take one of the equation and, 2X+6y=5 and x+3y=2, now take one of the equation and (-2) x+3y=2 then -2x-6y=-4 add the common factor with the other equation which would cross out both variable leaving 0=1
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3 times the first of three consecutive odd integers is 3 more than twice the third? what is the third integer
fenix001 [56]

Answer:

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Step-by-step explanation:

The difference between consecutive integers is 1.

The difference between consecutive odd integers is 2.

Let the smallest odd integer be x.

Then the next greater one is x + 2. The greatest one is x + 4.

"3 times the first" is 3x

"twice the third" is 2(x + 4)

"3 times the first of three consecutive odd integers is 3 more than twice the third"

3x = 2(x + 4) + 3

3x = 2x + 8 + 3

x = 11

The smallest integer is 11.

x + 4 = 11 + 4 = 15

The greatest one is 15.

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Step-by-step explanation:

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pashok25 [27]
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Usimov [2.4K]

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Step-by-step explanation:

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Matt is showing his work in simplifying (6.2 − 1.6) − 4.4 + 7.8. Identify any error in his work or reasoning.
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