Q. Solve for a. Express your answer as a proper or improper fraction in simplest terms.−87=117a+81Answer: a=
Isolate variable term: First, we need to isolate the term containing the variable a on one side of the equation. To do this, we will subtract (1/8) from both sides of the equation to eliminate the constant term on the right side.−(7/8)−(1/8)=(7/11)a+(1/8)−(1/8)
Combine like terms: Now, we combine the like terms on the left side of the equation.−87−81=−88=−1So, the equation becomes:−1=117a
Divide by (7/11): Next, we will divide both sides of the equation by (7/11) to solve for a.−1/(7/11)=a
Multiply by reciprocal: To divide by a fraction, we multiply by its reciprocal. The reciprocal of (117) is (711).−1×(711)=a
Perform multiplication: Now, we perform the multiplication to find the value of a.a=−1×(711)=−(711)
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