Answer:
a = 3
Step-by-step explanation:
Fill in the given values:
a*5-2*7 = 1 =>
5a = 1 + 14
a = 15/5 = 3
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Step-by-step explanation:
the first one is 2 that appears most while the second is 20 and 3
468
You can get this by finding the area of each individual rectangle.
