10. 8 divided by 4 is 2 times 2 is 4 8 plus 6 minus 4 is 10
Answer:
x=-3.5
reason:
first, add 3 to both sides
this makes the equation -1/2x=7
then, divide both sides by -1/2
this will give you x=-3.5
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The correct choice is C .
Answer:

Step-by-step explanation:
Given

Required
Rationalize

To do this, we simply multiply by 

This gives:



Hence:
