Use substitution
x -4x - 7 = 2
-3x = 9, x = -3
Y = -4(-3) - 7
Y = 12 - 7, y = 5
Solution: x = -3, y = 5
Answer:
You will need four runners.
Step-by-step explanation:
If you multiply 1/16 by four you will get 4/16, which is simplified to 1/4
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