Four out of 9 performers will be chosen to stand in a row on stage. How’s many ways can the 4 performers stand in a row
2 answers:
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For this case we must algebraically rewrite the given expression. So:
x: It is the variable that represents an unknown number
"double a number" is represented as:
"6 less than double a number" is represented as:
So, the final expression is:
If we want to rewrite the expression in an equivalent way, we take common factor 2:
Asnwer:
Equivalent expression: