5-4-(49-42)
5-4(-49+42)
1(-49+42)
-49+42
-7
Answer:
28y-47
Step-by-step explanation:
5-4[7-(7y-6)]
remove parentheses
5add the numbers
-4(13-7y)
Multiply parenthesis by -4
5-52+28y
calculate
-47+28y
and done! hope this helps
