Answer:
8100/8100
I think this the answer to your question.
Step-by-step explanation:
Answer: x = 1
3x + 4 = 7
subtract 4 from both sides
3x = 3
x = 3/3 = 1
Fist one:
x−2=−3
Second one: a=63b/23
Third one: x=−a/2+3b/2
I believe it is 8in
someone correct me if I'm wrong
