Answer:
-2x
Explanation:
from the question
-2x-7+9-2=
step 1
collect the like terms
we have,
-2x-7+9-2
-2x + 2 -2
-2x + 0
therefore the answer to the question -2x-7+9-2 is equal to -2x
Combine like terms
-2x +0
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