1 Simplify brackets.
\frac{136+42a\times 8-905-27\times 80}{5}=19
5
136+42a×8−905−27×80
=19
2 Simplify 42a\times 842a×8 to 336a336a.
\frac{136+336a-905-27\times 80}{5}=19
5
136+336a−905−27×80
=19
3 Simplify 27\times 8027×80 to 21602160.
\frac{136+336a-905-2160}{5}=19
5
136+336a−905−2160
=19
4 Simplify 136+336a-905-2160136+336a−905−2160 to 336a-2929336a−2929.
\frac{336a-2929}{5}=19
5
336a−2929
=19
5 Multiply both sides by 55.
336a-2929=19\times 5336a−2929=19×5
6 Simplify 19\times 519×5 to 9595.
336a-2929=95336a−2929=95
7 Add 29292929 to both sides.
336a=95+2929336a=95+2929
8 Simplify 95+292995+2929 to 30243024.
336a=3024336a=3024
9 Divide both sides by 336336.
a=\frac{3024}{336}a=
336
3024
10 Simplify \frac{3024}{336}
336
3024
to 99.
a=9a=9
