The 3rd one . shows how to substitute "x" . The most frequent Way
Answer:

Explanation:
[ Step One ] Group Like Terms

[ Step Two ] Combine Similar Elements: 

[ Step Three ] Expand 

[ Step Four ] Add 15 To Both Sides

[ Step Five ] Simplify

[ Step Six ] Subtract 10x From Both Sides

[ Step Seven ] Simplify

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<span> 1/3 (4 - 5x - 1)
= </span><span> 1/3 (3 - 5x)
= 1 - 5/3 x
= - 5/3 x + 1
answer
</span> - 5/3 x + 1
( p.s you put answer choices on a and b the same)
Answer:
1. x = 2
2. couldn't figure out. sorry
Step-by-step explanation:
The answer is B im sorry if I am late