7x+17=7x-17 is this an identity, conditional or inconsistent equation

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

The table above shows approximate conversions from gallons to liters. what is the value of x?

If jaime wants to find 60% of 320, which table should he use?