Question

(2; 3) + (x; -y) = (5; 1)

Answer 1

Explicación paso a paso:

• 2+x=5

x=3

• 3+(-y)=1

3-y=1

-y=1-3

-y=-2

y=2

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(2; 3) + (3; -2) = (5; 1)

verdad.