Answer:
Step-by-step explanation:
Given that:
To evaluate the expression, we must simply substitute the given value of , which is , for :
Multiply:
Subtract:
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To check your work, simply set the given expression equal to our solution, :
Add to both sides of the equation:
Divide both sides of the equation by the coefficient of , which is :
Since it matches the given value of , our solution is correct!