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Ksivusya [100]
2 years ago
6

If x-y = -10 and x-y = 2 what is the value of x

Mathematics
1 answer:
Nadya [2.5K]2 years ago
8 0

Answer:

x = -4

Step-by-step explanation:

x+y = -10       or     y = -10 - x

substitute this into the second equation

x      -    y    = 2

x      -  (-10-x) = 2

2x + 10 = 2

2x = -8

x = - 4

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