Respuesta :
Answer: b= 9/4
Step-by-step explanation: Multiply the numbers B-1 * 7/4 = 1/2
B- 7/4 = 1/2
then add 7/4 to both sides of the equation and simplify and your solution is B=9/4
Answer: b= 9/4
Step-by-step explanation: Multiply the numbers B-1 * 7/4 = 1/2
B- 7/4 = 1/2
then add 7/4 to both sides of the equation and simplify and your solution is B=9/4