3k - 2r k = 9 r = 6 show work
2 answers:
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Let's say the numbers are "a" and "b"
now, we know one of them is 7 more than the other, so hmmm let's say "b" is 7 more than "a", so b = a + 7
the difference of their squares is 161, alrite
and surey you know how much that is
now, what's "b"? well, b = a + 7
now, we know one of them is 7 more than the other, so hmmm let's say "b" is 7 more than "a", so b = a + 7
the difference of their squares is 161, alrite
and surey you know how much that is
now, what's "b"? well, b = a + 7