Mathematics, 17.05.2021 18:20, kkatlynn

Malik’s solution to the equation , when , is shown below. What error did Malik make first when solving the equation ?

Malik did not multiply correctly.
Malik added 240 to each side of the equation.
Malik did not multiply correctly.
Malik substituted 60 for y instead of x.

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Malik’s solution to the equation , when , is shown below. What error did Malik make first when solv...