Math, asked by Kviinav, 10 months ago

answer this question

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Answered by naishaa9

0

Answer:

let the thinked number be X

Step-by-step explanation:

(x + 2.2)3-3.4 = 20

(x+2.2)3= 20+3.4

(x+2.2)3=23.4

3x+6.6 = 23.4

3x= 23.4-6.6

3x=16.8

x=16.6÷ 3

x= 5.6

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