If x,x+10,3x+2 are in A.P., find the value of x.
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4
Answer:
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Answered by
14
Answer:
We know that
Second term-First term= Third term-Second term
a2-a1= a3-a2
Here,
First term, a1= x
Second term, a2= x+10
Third term, a3= 3x+2
Now,
x+10-x= 3x+2-(x+10)
x-x+10= 3x+2-x-10
10= 3x-x+2-10
10= 2x-8
10+8= 2x
18= 2x
x= 18÷2
x=9
Answer: x=9
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