The work of a student to solve a set of equations is shown:
1 answer:
In which step did the student first make an error?
Answer: Step 2
Step 2 should be:
−3y = -45 + 6z
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x= 7/8
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TRUE
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The solution to any system graphically can be found where the 2 graphs intersect. These two graphs intersect at the point (0, 2).
Answer:
1/10 5 2
20 1 1/20
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