Consider the given equations:
(Equation 1)
(Equation 2)
(Equation 3)
Adding equations 1 and 3, we get


So, we get
(Equation 4)
Multiplying equation 3 by '6', we get
(Equation 5)
Subtracting equation 5 from equation 2, we get


(Equation 6)
Multiplying equation 4 by '21' and adding it to equation 6, we get


So, z = -5
Since,

So, y=-5
Now,

So, x = -4
Therefore, x = -4, y= -5 and z= -5 are the solutions to the given equations.
The graph is showing the equation of circle x²+y²=4
<h3>What is a circle?</h3>
A circle is a two-dimensional geometry on the plane having a centre point and the circular line is drawn equidistant from the centre point.
The given graph in the question represents the equation of the circle cutting the points on the x-axis and y-axis at 4 which is the radius of the circle.
The equation will be as follows:-
x²+y²=4
Hence the graph is showing the equation of circle x²+y²=4
To know more about circles follow
brainly.com/question/24375372
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It would just be 8 since an integer just means whole number.
A way to add fractions that always works is to multiply each numerator by the denominator of the other, then express the sum of products over the product of the denominators.

Here, you have
The sum is -1 1/12
Answer:
im not exactly sure what you mean by that, could you please rephrase and expand on the pregunta
Step-by-step explanation: