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Marianna [84]
3 years ago
15

The sum of two consecutive even integers is -134 . What are the two numbers?

Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0
2x + 2x+2 = -134
4x + 2 = -134
4x = -136 |: 4
x = -34

2x = 2 * (-34) = -68
2x + 2 = -68 + 2 = -66

This numbers are -66 and -68.
Alecsey [184]3 years ago
5 0
If we let x equal one of the numbers, and we let y equal the other number, we can define the equation as x+y=-134. Since we know, though, that the numbers are even and consecutive integers, we can say that y=x+2. We can then substitute our new value of y into the first equation which becomes x+x+2=-134. It can then be simplified as follows:
x+x+2=-134 \\ 2x+2=-134 \\ 2x=-136 \\ x=-68.
We have now solved for x, but we still need to know what y is, so we need the equation y=x+2 which we can evaluate and solve for y.
y=x+2 \\ y=-68+2 \\ y=-66
Now we have the two consecutive even integers whose sum is -134. They are -68 and -66.
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