Let the number be x
7/8 of the number is 7/8x and it equals -35:
7/8x = -35
Find x by dividing both sides by 7/8
When you divide by a fraction, flip the fraction over and then multiply:
x = -35 x 8/7 = (-35 x 8) / 7 = -280/7 = -40
The number is -40
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