. If 2x, ( x +10) and (3x + 2) are in A. P. then x = ?

Given 2x,x+10,3x+2 are three consecutive terms in A.P

We know that,

Difference of any two consecutive terms in A.P are equal.

(x+10)-2x = (3x+2)-(x+10)

=> x+10-2x = 3x+2-x-10

=> 10-x=2x-8

=> -x-2x = -8-10

=> -3x = -18

Divide each term by (-3) , we. get

Therefore,

x = 6

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true statements:

a) x + y = y + x   ⇒ commutative property of addition

b) (x * y) * z = x * (y * z) ⇒ associative property of multiplication

d) (x + y) + z = x + (y + z) ⇒ associative property of addition

false statements:

c) x - y = y - x   should be: x - y = - y + x

e) (x - y) - z = x - (y - z) should be: (x - y) - z = x - (y + z)

step-by-step explanation:

c.

step-by-step explanation: