Answer:
3+7-4=6
Step-by-step explanation:
replace the h with -7.
3+ [-(-7)]+(-4)
simplify. two negatives make a positive, causing the [-(-7)] to simply become 7.
the +(-4) simplifies to -4.
so...
3+7-4
from here its really really easy, just simple add and subtract.
3+7=10
10-4=6
If it helped, id really appreciate brainliest :)
