Answer:
j=42
Step-by-step explanation:
since it's 7x larger you just have to multiple 6 by 7 to find j
The answer would be -2k -30
Answer:
Number 3,4, and 5
Step-by-step explanation:
When expanding brackets, 3rd one expands to 2x +4g
4th one is 4g + 2x so the other way around
When added up, 5 is 2x +4g