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A student started solving the system of equations by elimination and made a mistake in solving x. What is the error?

A student started solving the system of equations by elimination and made a mistake in solving x. What is the error?
asked 184k views
3 votes
A student started solving the system of equations by elimination and made a mistake in solving x. What is the error?

A student started solving the system of equations by elimination and made a mistake-example-1
asked
User Sampson Crowley
by
7.9k points

1 Answer

6 votes
answer is A.

step 1 , 16 was not multiplied by 9
should be

54x - 9y = 144

answered
User Michael Sabin
by
8.0k points
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