Answer:
.
Step-by-step explanation:
As we know ,
The slope of a line that passes through
and
is given by :

The slope of a line that passes through (1 , 7K), and (-3,5K) =

Hence, the slope of the given line is
.
Answer:
1.associative property of addition
2.commutative property of addition
3.additive inverse
4.additive identity
Step-by-step explanation:
The answer would be y=-4 and x=4, so pick which ever number/letter has this answer.
4(a-2)=3(a+4)
4a-8=3a+12
a=20