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13-01-2021
Mathematics

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for each system, determine whether the given ordered pair is a solution (help fast)

for each system determine whether the given ordered pair is a solution help fast class=

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alo74720gamilcom alo74720gamilcom

13-01-2021

(3,1 ) is a solution

X+Y=4

X-Y=2

X=4-y

4-y-y=-2

4-2y=-2

-2y=-2

y=1

X+1=4

X=4-1

X=3

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