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1/2 x +(-7)- 21/4 x (-2)

1/2 x +(-7)- 21/4 x (-2)
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1 vote
1/2 x +(-7)- 21/4 x (-2)

1/2 x +(-7)- 21/4 x (-2)-example-1
User Navinpd
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1 Answer

4 votes
1/2 x +(-7)- 2 1/4 x -(-2)
Turn the 2 1/4 into a mixed number:
1/2x + (-7) - 9/4x + 2
Multiply 1/2x by 2/2:
2/4x + (-7) - 9/4x +2
Add common terms:
-7/4x - 5
Turn -7/4x into a mixed number:
-1 3/4x -5

So your answer is
A.) -1 3/4x - 5

User Reallymemorable
by
8.1k points
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