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Need help on this almost done
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Need help on this almost done

Need help on this almost done-example-1
User Afua
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1 Answer

1 vote

Explanation:

As shown in the picture, 3(x + 7) = (x + 7) + (2x - 7) + x.

So 3x + 21 = 4x. This means that x = 21.

User Jaskaranbir Singh
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