Five-sevenths of a number is - 35. what is the number?

So lets write this equation out. Let x be that number we are trying to find.

So five-sevenths is a fraction that is written like this

5/7

when you see the word "of" that means multiplication

so we can write the full equation.

(5/7) x = - 35

now we can solve

Multiply both sides by 7

5x = - 245

now divide by 5

and we get

x = - 49