They are equal so...
15x+2 = 9x+20
15x-9x = 20-2
6x =18
x = 18/6 = 3
x = 3
Answer:
1.492 kg
Step-by-step explanation: 0.5kg+0.53kg=1.03kg=1030grams
1030grams+325grams+137grams=1492 grams
1492/1000=1.492kg
<h2>
PLEASE MAKE ME BRAINLIEST!!!</h2>
Answer:

The balance is $256
Step-by-step explanation:
Given


Required
Determine the balance after 20 visits
Represent the balance with b
Represent the visitation with v
The relationship between the given parameters is:

This gives:


Make b the subject

To get the actual balance after 20 visitation;
Substitute 20 for v



Hence:
<em>The balance is $256</em>