sourjesh123
Answered

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(ii) x + y + 2 and x - y - 1​

Sagot :

aaydaruus

Step-by-step explanation:

please see it my work solution steps

View image aaydaruus

Answer:

[tex]x + y + 2 = 0- - - eqn(i) \\ x - y - 1 = 0 - - - eqn(ii) \\ eqn(i) + eqn(ii) \\ = 2x + 1 = 0 \\ 2x = -1 \\ x = - \frac{1}{2} \\ substitute \: for \: x \: in \: eqn(i) \\ -\frac{1}{2} + y + 2 = 0 \\ y = (-2 + \frac{1}{2} ) \\ y = -\frac{3}{2} [/tex]

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