Answer:
-21/10
Explanation:
Plug in 4/5 for x and simplify.
-2/5 - 4/5 + (-9/10)
-6/5 + (-9/10)
-21/10 or -2 1/10
I hope this helps :))
-2/5 - 4/5 + (-9/10) = -6/5 -9/10 = -12/10 -9/10 = -21/10
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