3 years ago

Teachers are being trained to standardize the scores they give students essays. The results are shown in the tables

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1 answer:

Lena [83]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

yes

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Solve by adding or subtracting.<br> x+y=-10<br> 2x-y=-8

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Step-by-step explanation:

To solve, isolate your first equation for y.

$x+y=-10\\y=-x-10$

Now, plug in this y value to your second equation.

$2x-(-x-10)=-8\\2x+x+10=-8\\3x+10=-8\\3x=-18\\x=-6$

Now, plug your x value into your first equation and solve for y.

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Answer:

Step-by-step explanation:

3 plus 5 = 8

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this is just a multistep problem,

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