3 years ago

The work of a student to solve a set of equations is shown:

1 answer:

6 0

Error in step 2

Step 2: –7y = 16 – 2z [Equation A in Step 1 is simplified.]
(forgot to multiply -7 on the right side)

should be
Step 2: –7y = -112 + 14z [Equation A in Step 1 is simplified.]

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