briannachatman2 briannachatman2

09-09-2017
Mathematics

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If x+y=2 and x-y=1 then:

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Аноним Аноним

09-09-2017

x + y = 2

x - y = 1

Adding the equations,

x + y + x - y = 2 + 1

2x = 3

x = [tex] \frac{3}{2} [/tex]

x + y = 2

y = 2 - x

y = [tex] 2 - \frac{3}{2} = \frac{4-3}{2} = \frac{1}{2} [/tex]

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