Agardener measures the tallest of his prize-winning sunflowers and finds that the height is 65 in. the sunflower has grown 12.1 inches since the last time the gardener measured it. how tall was the sunflower when it was last measured?

a. write an algebraic equation that represents the scenario.
b. solve to find the solution.
and explain the algebraic equation with detail will mark as brainliest : ) .