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Anuta_ua [19.1K]
3 years ago
15

Solve this equation by elimination method...

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0

Answer:

x=2,y=-3

Step-by-step explanation:

detailed explanation showed in the image above

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First you add 10 and 12 dollars to get 22 dollars then subtract the 14 dollars of the pizza to get 7 dollars left. Then add the other 18 given to them and your final answer adds up to 25 dollars in all. :)
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What are the real or imaginary solutions of the polynomial x^4-3x^2=-2x​
bagirrra123 [75]

Answer:

x = 0 or 1 or -2

Step-by-step explanation:

x^{4} -3x^{2} +2x=0

x(x^3-3x+2)=0

x(x-1)^2 * (x+2)0

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there is no imaginary solutions

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3 years ago
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Step-by-step explanation:

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Four times the sum of 8 and some number is 4. What is the number?
Lunna [17]

Answer:

\Huge \boxed{\mathrm{-7}}

\rule[225]{225}{2}

Step-by-step explanation:

Let the number be x.

4(x+8)=4

Dividing both sides by 4,

x+8=1

Subtracting 8 from both sides,

x=-7

The number is -7.

\rule[225]{225}{2}

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