Answer:
-98k + 42
Step-by-step explanation:
7(1-9k)-5(4K+7)
-distribute
7 - 63k - 20k - 35
-combine like terms
42 - 98k
coefficient always comes first in an expression. NEVER LEAVE THE CONSTANT FIRST WHEN REVEALING YOUR FINAL ANSWER!!!
hence,
-98k + 42
