How do i simplify -2x - y - 2z ???
1 answer:
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The slope of a line through points 
and 
is :
or
,
it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:
don't write:
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The slope of the line through the points <span>(-23, -17) and (-13, -7) is :
</span>
<span>
Answer: 1</span>
or
it is the same thing, BUT it it always y's over x's and always in the same order of 1 and 2:
don't write:
--------------------------------------------------------------------------------------------------
The slope of the line through the points <span>(-23, -17) and (-13, -7) is :
</span>
<span>
Answer: 1</span>