Question

9 = 4(3k - 4) - 7k solve the equation

Answer 1

9=12k-16-7k
25=9K
k=5
1) Break the brackets.
2) Combine like terms.
3)isolate variable.
4)solve for the variable

Answer 2

$9=4(3k-4)-7k\\ 9=12k-16-7k\\ 9+16=12k-7k\\ 25=5k\\ k=5$