Выполните приведение подобных слагаемых в выражении:

\(\displaystyle 28+15g+g-16+3g+8+9g-20=\)

\(\displaystyle =\big(\)[ ]\(\displaystyle +\)[ ]\(\displaystyle +\)[ ]\(\displaystyle +\)[ ]\(\displaystyle \big)\,g+\,\)[ ]\(\displaystyle =\)[ ]\(\displaystyle \,g+\,\)[ ]