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The science test grades are posted. All students taking the test scored over 75. Unfortunately, 4 students were absent for the
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Vanessa has taken 4 quizzes so far and her average score so far is an 88. If she gets a 100, a perfect score on the remaining
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sorry typo two negative y's
sorry think of it as you are adding normally with a bar on the bottom. since you have 22 negative y's you multiply the bottom number by -1 to get a positive y. Then you add the two y's together so you ELIMINATE the y's They are no longer in the problem SO
You then multiply the equation in the parentheses by 2 and combine like variables
Since y is the equation -3x+6 you plug in the second equation into the fist equation for y.
You can add both y's together to get no y's and then solve for x after adding 7x and 4x. Then plug in the value of x into one of the equations to find y.
4x+2(-3x+6)=10
We rode past the school in our car.
Thanks

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