Answer:
1.Answer 2
2.Answer 1
Step-by-step explanation:
Remember the laws of exponents:
Then:
Therefore:
3x+(2-4x)
= 2 (3x+4x)
=2 (7x)
=2/7x
=7x/2
=3.5
Step-by-step explanation:=3.5
i dont know SORRY