The equation is [tex]y = -x -5[/tex].
Given that,
A number x, decreased by the sum of 2x and 5 represent.
We have to determine,
The required equation,
According to the question,
To convert the given statement into the equation following all the steps given below.
A number x, decreased by the sum of 2x and 5 represent.
Step1; The expression given is equal to the variable y, making this a function too.
[tex]y = x- (2x+5)[/tex]
Step2; Distribute the negative symbol,
[tex]y = x- 2x -5[/tex]
Step3; Simplify and combine like terms,
[tex]y = -x -5[/tex]
Hence, The required equation is [tex]y = -x -5[/tex].
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