8c - 1 * 5 = 235 4n + 12 : 8 = 136

Question

8c - 1 * 5 = 235

4n + 12 : 8 = 136

Answer 1

8c-1×5=235.
8с-5=235.
8с=235+5.
8с=240.
с=240÷8.
с=30;
4n+12÷8=136.
4n+1,5=136.
4n=136-1,5.
4n=134,5.
n=33,625.