Translate the sentence into an equation using n as the unknown number. Then solve the equation for n
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Answer:
Step-by-step explanation:
<u><em>The correct question is</em></u>
Translate the sentence into an equation using n as the unknown number. Then solve the equation for n.
5 increased by half a number is 11
Let
n ----> the unknown number
we know that
The linear equation that represent this situation is
solve for n
Multiply by 2 both sides
subtract 10 both sides
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The expression is 
.
The excluded values are those values of x for which the denominator,
, becomes zero.
So, we need to factorize the expression.
To factorize the expression, we can use the grouping method. Write -7x as -9x+2x to create 4 terms, as follows:
.
The, factorizing (x-9), we have (x-9)(x+2).
This expression becomes 0 for x=-2, or for x=9.
Answer: {-2, 9}
The excluded values are those values of x for which the denominator,
So, we need to factorize the expression
To factorize the expression, we can use the grouping method. Write -7x as -9x+2x to create 4 terms, as follows:
The, factorizing (x-9), we have (x-9)(x+2).
This expression becomes 0 for x=-2, or for x=9.
Answer: {-2, 9}