Solve for x.
4
15
6
X
x = [?]
Enter the number in decimal form

66

Step-by-step explanation:

x / 6 + 4 = 15

To find x ;

Subtrac4 from both sides

x / 6 + 4 - 4 = 15 - 4

x / 6 = 11

Multiply both sides by 6

x / 6 * 6 = 11 * 6

x = 66

Value of x = 66

most likely linear (proportionate)

step-by-step explanation:

as time increases heart rate increases