Q. What value of a is a solution to this equation?2a=20Choices:(A) a=8(B) a=10
Isolate a in equation: Step 1: Start by isolating a in the equation 2a=20. To find a, divide both sides of the equation by 2. 22a=220a=10
Check answer choices: Step 2: Check the answer choices to see which matches the solution.The choices are (A) a=8 and (B) a=10.Since we calculated a=10, the correct choice is (B) a=10.