
If $x=41$ and $y=3$ then what is the value of \[x - 9y\]?
Answer
461.7k+ views
Hint: We are given an expression with two variables $x$ and $y$. But we are given with each value of $x$ and $y$. We just have to put the values in the equation and perform the necessary operation. We will get the answer.
Complete step by step answer:
Given that the values of x and y are x=41 and y=3.Given is one equation \[x - 9y\]
Now we will substitute the values in the equation directly,
\[ x - 9y = 41 - 9 \times 3\]
Taking the product,
\[ x - 9y= 41 - 27\]
On subtracting we get,
\[\therefore x - 9y = 14\]
Hence the value of \[x - 9y\] is 14.
Additional Information:
-Variables are having different values whereas the constant is having fixed values.
-The number of variables to be found requires the same number of expressions or equations.
-The value of the variable can be positive and can be negative also.
Note: The given equation is with two variables so we need two values of the variables separately to get the correct answer. The expression so given can have different values depending upon the value of the variable. But students don’t shuffle the values. Put the values of x and y on their places. Because if shuffled your answer will change!
Complete step by step answer:
Given that the values of x and y are x=41 and y=3.Given is one equation \[x - 9y\]
Now we will substitute the values in the equation directly,
\[ x - 9y = 41 - 9 \times 3\]
Taking the product,
\[ x - 9y= 41 - 27\]
On subtracting we get,
\[\therefore x - 9y = 14\]
Hence the value of \[x - 9y\] is 14.
Additional Information:
-Variables are having different values whereas the constant is having fixed values.
-The number of variables to be found requires the same number of expressions or equations.
-The value of the variable can be positive and can be negative also.
Note: The given equation is with two variables so we need two values of the variables separately to get the correct answer. The expression so given can have different values depending upon the value of the variable. But students don’t shuffle the values. Put the values of x and y on their places. Because if shuffled your answer will change!
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