Answer:
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2/ 3 - (3 - 1) * 3 - 1 = -4
Simplify
= 2/-4
which is
= -2/4
Then simplify again
= -1/2
Answer:
He was supposed to cross multiply the equation in the original equation. Step 2 was a wrong expression
Explanations:
The given equation is:
Cross multiply the equation, the equation becomes:
x = 8 - 12
x = -4
His mistake was in step 2, he did not properly expand the equation
The proper step was to cross multiply in step 2
Hey there! Your answer is right here!
42 ÷ 2 = 21 ÷ 2 = 10.5
Thanks for asking this question. I'm glad I can help!