3 years ago

Which property justifies the following steps:

Mathematics

2 answers:

ad-work [718]3 years ago

6 0

Step 3:
14/7x-6/3=5
2x-2=5
2x=5+2
2x=7
x=7/2

Vlada [557]3 years ago

3 0

Commutative.

Hope this helps :)

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What is the slope of the line through (2,-2)(2,−2)(, 2, comma, minus, 2, )and (9,3)(9,3)(, 9, comma, 3, )? Choose 1 answer: Choo

svp [43]

Answer:

A) $\frac{5}{7}$

Step-by-step explanation:

Use the two-points formula for the slope of a line.

We know that the points (2,-2) and (9,3) are on the line. If (a,b),(c,d) are points on a line then the slope m is defined by the equation $m=\frac{d-b}{c-a}$ . In this case, a=2,b=-2,c=9 and d=3 then the slope is $m=\frac{3-(-2)}{9-2}=\frac{5}{7}$ .