Answer:
i think its 4.2
Step-by-step explanation:
4.2 because 3.5 ties 1.2 would be 4.2 i think.
U = -3
U/-1 +-4=-1
Add 4 to each side
U/-1 +-4+4=-1+4
U / -1 = 3
Multiply each side by -1
U / -1 * -1 = 3* -1
