The factor pairs of 84 are (84,1)(42,2)(28,3)(21,4)(14,6)(12,7)
None of them add up to 17. If that was -84, you could use 21 and -4.
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7x +9 = 6x
To determine whether the sum of two fractions with a common denominator is greater than, less than, or equal to 1, you need to add the numerators of the fractions together and compare the result to the common denominator. If the sum of the numerators is greater than the denominator, the sum of the fractions will be greater than 1. If the sum of the numerators is less than the denominator, the sum of the fractions will be less than 1. If the sum of the numerators is equal to the denominator, the sum of the fractions will be equal to 1.
The factors of -84 that equal the sum of -16 are: -28 and 12 -14 and -2 -12 and -4
The sum of two fractions will be equal to one when the numerator and the denominator of their sum are the same. Example: 1/3 + 2/3 = 3/3 or 1
The sum is 5/18