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garik1379 [7]
3 years ago
8

Twice the difference of two numbers is 14 and their sum is 3 find the numbers.

Mathematics
2 answers:
saul85 [17]3 years ago
5 0
Let, x+y = 3
2(x-y) = 14

Substitute value from eq (1) in eq (2),
2(3-y-y) = 14
2(3-2y) = 14
6-4y = 14
-4y = 8
y = -2

Put it into eq (1),
x-2 = 3
x = 5

So, x = 5 & y = -2

Hope this helps!
natita [175]3 years ago
3 0
They are 5 and minus 2

You have to solve the system of equations
2(a-b)=14
a+b=3
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