The sum of twice a number and half the number is 10.

help pls :"​

4

Step-by-step explanation:

Let x = the number

2x + (1/2)x = 10

(5/2)x = 10     Multiply both sides by 2/5

x = 4

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .