Final answer to the problem
Step-by-step Solution
Learn how to solve equations problems step by step online. Solve the rational equation (1+a)/(2+a)=1/2. Apply fraction cross-multiplication. Solve the product 2\left(1+a\right). Group the terms of the equation by moving the terms that have the variable a to the left side, and those that do not have it to the right side. Subtract the values 2 and -2.