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AnnZ [28]
3 years ago
6

Solve the system of equations for -2x+2y=4

Mathematics
1 answer:
Greeley [361]3 years ago
8 0
You need another equation to be able to solve this
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Answer:

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  • <u>x=4</u> is the right answer.
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Miley drove 288 miles in 4 1/2 hours. What was Miley's average speed in miles per hour?
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2x-y=-2 <br><br> -x-2y=4 <br><br> estimate the coordinates
ValentinkaMS [17]
You can subtract the 2x to make it -y=-2x-2 and add the x to make it -2y=x+4. for elimination method multiply the equation (-2)-y=-2x-2. Hope this helps. You can also do substitution method
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You and three of your friends go out to dinner during the break.the check comes to 131.85$ you all decide to leave a 20% tip for
almond37 [142]

Answer:

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Multiply 131.85 by 0.2 to get 20% of 131.85.

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Step-by-step explanation:

BTW if it's EASY then try but anyway,there you go!!

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