Question

( 1/2 + x ) 3 = 21 Answer ​

Answer 1

Answer:

(1/2 + x)3 = 21

1/2+ x = 7

x = 7-1/2

x = 13/2

Step-by-step explanation:

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Answer 2

Answer:

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Step-by-step explanation:

→ (1/2 + x)3 = 21

→ 1/2 × 3 + x × 3 = 21

→ 3/2 + 3x = 21

→ 3x = 21/1 - 3/2

→ 3x = 21×2/1×2 - 3/2

→ 3x = 42/2 - 3/2

→ 3x = 39/2

→ 3x(2) = 39

→ 6x = 39

→ x = 39/6