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Chong thinks of a number, adds 10 then multiplies the number obtained by 3, and gets 42.

If the number is n then write an equation for this.

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Question:

If the number is n then write an equation for this.

A
3(n + 10) = 42.

explanation

Adding 10 to n gives n + 10.

Multiplying the number obtained by 3 gives 3(n + 10).

Making this equal to 42 gives 3(n + 10) = 42.

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