4(1/2x7)=12 <=> x28/2=12
x=12*2/28=24/28=12/14=6/7
Answer:
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Step-by-step explanation:
Answer:
The coordinates of the image of point A (2, -7) are A'(-1,-2).
Step-by-step explanation:
Note: The sign is missing between y and 5 in the rule of transitional.
Consider the rule of translation is

We need to find the image of point A (2, -7).
Substitute x=2 and y=-7 in the above rule.


Therefore, the coordinates of the image of point A (2, -7) are A'(-1,-2).
Answer: 
Step-by-step explanation:
The distributive property: a(b - c) = ab - ac
27 - 18r = 9·3 - 9·2r = 9(3 - 2r)