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I made a mistake while solving the inequality below. What mistake did I make? Explain what I should’ve done instead.

I Made A Mistake While Solving The Inequality Below What Mistake Did I Make Explain What I Shouldve Done Instead class=

Sagot :

Answer:

Mistakes:

Used addition

Didn't flip inequality form

Corrections:

Divide each term

Instead of a positive value it should be negative

flip the direction of the inequality form

Step-by-step explanation:

[tex] - 9x \div - 9 \leqslant 90 \div – 9 [/tex]

cancel the common factor

[tex] \times \leqslant 90 \div - 9[/tex]

Divide 90 by – 9

Answer is:

[tex] \times \leqslant - 10[/tex]

Hope this helps!