Question Simplify the expression 7dby31 Evaluate 31÷(dby×7)Use the commutative property to reorder the terms 31÷(7dby)Solution 7dby31 Show Solution Find the excluded values d=0,b=0,y=0 Evaluate 31÷(dby×7)To find the excluded values,set the denominators equal to 0 dby×7=0Use the commutative property to reorder the terms 7dby=0Evaluate dby=0Separate the equation into 3 possible cases d=0b=0y=0Solution d=0,b=0,y=0 Show Solution