View the work below from a student last year. What was their mistake? Be detailed in their response. -3(x + 4) = 2x - 5 -3x + 4 = 2x - 5 4 = 5x - 5 9 = 5x 1.8 = x

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asked Jan 18, 2022 213k views

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View the work below from a student last year. What was their mistake? Be detailed in their response.

-3(x + 4) = 2x - 5

-3x + 4 = 2x - 5

4 = 5x - 5

9 = 5x

1.8 = x

Mathematics
college

Preetam asked

by Preetam

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5 votes

need to distribute -3

-3(x+4)=2x-5
-3x+12=2x-5
-5x=7
x=-7/5 or x=-1 2/5 or x=-1.4

Darren Meyer answered Jan 22, 2022

by Darren Meyer

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