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Explain the error and solve with correct step. -5x + 9 - 9x < 21 -4x + 9 < 21 -4x < 12 x > -3
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7 votes
Explain the error and solve with correct step.

-5x + 9 - 9x < 21

-4x + 9 < 21

-4x < 12

x > -3

User Anand Capur
by
7.5k points

1 Answer

8 votes
i don’t know i have a feeling it has to do something with the -4
User Bob Fincheimer
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