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Marco made 2 errors in solving the following inequality. Identify the mistakes and correctly solve.

-18 - 4y > 20

-4y > 2

y > -1/2

Respuesta :

jamietakash1

Answer:

Step-by-step explanation:

When moving -18 to the other side, he didn’t do 20 + 18. (Mistake 1)

When dividing 2/-4 he didn’t flip the inequality from > to <. (Mistake 2)

Correct:

[tex]-18-4y<20\\-4y<38\\y > -9.5 (or -4\frac{1}{2}[/tex]

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