2 years ago

Evaluate - 2/5- x + (-9/10) where x = 4/5.

Mathematics

2 answers:

zalisa [80]2 years ago

6 0

Answer:

- 2 1/10

Step-by-step explanation:

-2/5 -x -9/10

Let x = 4/5

-2/5 - 4/5 - 9/10

Combine like terms

-6/5 - 9/10

Get a common denominator of 10

-6/5 * 2/2 - 9/10

-12/10 - 9/10

-21/ 10

Change this to a mixed number

10 goes into 21 2 times with 1 left over

-2 1/10

gavmur [86]2 years ago

4 0

Answer:

- 2 1/10

Step-by-step explanation:

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