the sum of 2 numbers is 25. and their difference is 7. find the number.

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the sum of 2 numbers is 25. and their difference is 7. find the number.

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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This is equivalent to the following series of equations: \[x + y = 25\] \[x = y - 7\] So, substitute the second equation into the first: \[(y - 7) + y = 25\] Simplify, and you'll have y. Then, plug that value of y into the second equation to get x.
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x+y=25 x-y=7....on solvng.. x=16,y=9
ok got a new question
the length of a rectangle is 5 more than twice the width. the permiter is 130 in. what is the area
yea ask..
5b+b=130 bredth=21.6 length=108.4
area=lb=2341.4
sory...b=10.8 i=54.2 area=587
This equation gives the perimeter of a rectangle: \[2 \times length + 2 \times width\] In this case, the following is true as well: \[length = 2 \times width + 5\] Substitute this into the first equation and solve like the previous problem.
Then multiply the length times the width to get the area, since: \[Area = length \times width\] Gives the area of a rectangle.
hey u got the sol @babystar 16
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