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Mikael solves x+ 16 = 91
by subtracting 16 from only the left-hand side. What mistake did Mikael make?

He needed to subtract 91 from both sides of the equation.

He should have added 91 to only the right-hand side of the equation.

He needed to subtract 16 from the right-hand side of the equation as well.

He should have added 16 instead of subtracting.



Answer :

Mikael needed to subtract 16 from the right-hand side of the equation as well. The correct solution involves subtracting 16 from both sides to maintain equality:

x + 16 - 16 = 91 - 16

This simplifies to:

x = 75

So, the mistake Mikael made was not subtracting 16 from the right-hand side of the equation.

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