3 years ago

Five times a certain number, minus 5 is equal to 7 more than three times the number

1 answer:

3 0

Let’s start with putting the unknown to x, in this case it is the number.

5x-5=7+3x, so now we just solve this equation.

5x-3x=7+5
2x=12
x=6

the number is 6

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