He sum of two numbers is negative twelve, and one number is five less than the other. Using the variables mm and nn to repre
sent the two numbers, write a system of equations that describe the situation. Enter the equations below, separated by a comma.
1 answer:
Answer:
mm + nn = -12
mm - nn = 5
Step-by-step explanation:
two equations can be derived from the question
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Answer:
0 ≤x
Step-by-step explanation:
9x-3 ≤11x-3
Subtract 9x from each side
9x-9x-3 ≤11x-9x-3
-3 ≤2x-3
Add 3 to each side
-3+3 ≤2x
0 ≤2x
Divide by 2
0/2 ≤2x/2
0 ≤x
Scale factor is 2
30/15 = 2
20/10 = 2
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