To all those math quizzes out there I know it looks simple but then you'll please help me QU : x - 1/2 =4

x - 1/2 = 4

x - 1/2×2 = 4×2

x - 1 = 8

x - 1 + 1 = 8 +1

x = 9

Step-by-step explanation:

Hope that will help you

x= 9/2

so sorry if it's incorrect D:

Step-by-step explanation:

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

50-60=10

step-by-step explanation: