find the mean of 18 24 15 2 X + 1 and 12 is 21 ffind the value of x
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21 × 5 = 42 + 28 + 2x
105 = 70 + 2x
105 -70 = 2x
35 = 2x
35/2 = x
x = 17.5
i hope this will help you
-by ABHAY
nikhilkuma2478480077:
yes
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