Answer :
Simplifying expressions
We are given the expression
2(-6 + 5k) - 1
The first step is to remove the parentheses by multiplying everything inside of it by 2:
(2)(-6) + (2)*(5k) - 1
Note the -1 is not affected by the operation above
Now we multiply:
-12 + 10k - 1
Finally, we collect like terms. In this case, the numbers alone
-13 + 10k
This is the simplified expression as required
Answer: -13 + 10k