The equivalent equation is x - 4 = 0.
<h2>Linear system</h2>
It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.
<h3>Simplification</h3>
Simplification is to make something easier to do or understand and to make something less complicated.
Given
The expression is
.
<h3>To find </h3>
The equivalent equation.
<h3>How to find the equivalent equation.</h3>
The expression is
.
On simplifying. we get

The equivalent equation is x - 4 = 0.
More about the linear system link is given below.
brainly.com/question/20379472
Answer:
circumference=
D
19.5=3.14*D
<u>19.5</u> =6
3.14
D=6
Radius=3
area=
r²
3.14*3*3=28.26
area=28 inches
Step-by-step explanation:
Grandchildren get 25,000 and child gets
50.000
B is the best strategy. (You mentioned an option D, but it's not shown in your question!!)