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inessss [21]
3 years ago
11

3x squared - 2 x y when x=2 and y = 5

Mathematics
1 answer:
ira [324]3 years ago
7 0

the Answer is 4 do order of operations

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If equation one is mutiplied by 2 and then the equations are added the result is 2x+y=3 X-2y=-1
zloy xaker [14]

Question:

2x + y = 3, x - 2y = –1.

If equation one is multiplied by 2 and then the equations are added, the result is _____.

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Option C:

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Solution:

Given equations are

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x – 2y = –1 – – – – (2)

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(1) × 2 ⇒ 4x + 2y = 6 – – – – (3)

Now, add equation (3) to equation (2).

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