Answer:
A: 11.9
B: -9.4
Step-by-step explanation:
A: -17.4 + x = -5.6
Add 17.4 to both sides, this cancels 17.4 on the left and makes x= 11.9.
B: -5.6 + x = -15
Add 5.6 to both sides, this cancels 5.6 on the left side and makes x= -9.4.
