Answer: The required simpler expression is \(3k-1.\)
Step-by-step explanation: We are given to combine the terms to make a simpler expression from the following expression :
\(E=5k+(-2k)-(-1)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\)
Since the given expression contain terms with unknown variable k and the constant terms, so we can combine them as follows :
\(E\\\\=5k+(-2k)-(-1)\\\\=5k-2k-1\\\\=(5-2)k-1\\\\=3k-1.\)
Thus, the required simpler expression is \(3k-1.\)
