Mimi, age 65, goes in for cholesterol testing. She has total blood cholesterol of 100mg/dL. The mean blood cholesterol level is
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In the elimination method one variable is eliminated from the system of equation to find the value of other.
The first equation must be multiplied by 18 and second equation must be multiplied by 8.
<h3>What is elimination method?</h3>
To solve the system of equation and find the value of the variables, the elimination method is used.
In this method one variable is eliminated from the system of equation to find the value of other.
Given information-
The system of equation given in the problem is,
......1
Let the above equation as equation 1.
The second equation given in the problem is,
......2
Let the above equation as equation 2.
To eliminate the y term, make the coefficient of <em>y</em> of both the equation equal.
As the coefficient of <em>y</em> of the equation 2 is 3/8. Thus multiply second equation with 8 to eliminate coefficient. Thus,
.....3
Multiply equation 1 with 18 to make the coefficient of y equal. Thus,
......4
Add equation 3 and equation 4 as,
Hence the first equation must be multiplied by 18 and second equation must be multiplied by 8.
Learn more about the elimination method here;