The work of a student to solve a set of equations is shown:
1 answer:
Error in step 2
<span>Step 2: –7y = 16 – 2z [Equation A in Step 1 is simplified.]
(forgot to multiply -7 on the right side)
should be
</span><span>Step 2: –7y = -112 + 14z [Equation A in Step 1 is simplified.]</span>
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