one less than three times a number is seven

show me how to translate this phrase algebraically
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4 Answers

We will call "a number" x

so if we have 1 less than 3 times a number we get

3 times a number = 3x

1 less than that would be

3x-1
by
3x-1=7

3x=7+1

3x=8

x=8/3
by
5/8 (b-40)
by
Ten less than a number is three more than six times the number
by

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