Answer:
1 and 3, 2 and 4.
Step-by-step explanation:
1. -1.66666666667
2. 1
3. -1.66666666667
4. -1
3x+4x+3x=12-8
10x=4
x=4/10
x=2/5
x= o.4
-45,-2
yes because 3/5 is a terminating fraction which means it isnt forever
Answer: idk