Question

(ii) 21 - 3(x - 7) = x + 20.​

Answer 1

21-3x-21=x+20.

21-3x=x+20+21.

21-3x-x=41.

-4x=41-21.

-4x=20.

x=20/-4.

x=-5.

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Answer 2

Step-by-step explanation:

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