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n200080 [17]
3 years ago
7

The sum of a certain number and a second number is -42. The first number minus the second number is 52. find the numbers

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
Let the first number be x and decide number be y
therefore x+y = -42
also. x-y = 52 using the process of elimination
we get: 2x = 10
we divide both sides by 2, which gives us x=5
then we substitute the value of x in the first equation
that gives us. 5+y = -42
thus. y = -47
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