contestada

Where is the first error in this proof?The reason in line does not justify the statement because . Instead, the reason should be

Where is the first error in this proofThe reason in line does not justify the statement because Instead the reason should be class=

Respuesta :

The third line is the first error. We are not adding the the equations we are making a substitution. Therefore:

The reason in line 3 does not justify the statement because values were not added to each side. Instead the reason should be the substitution property of equality.

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