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KimJasonBamuyago
Answered

x+y=9
x-y=7

solving system using subtitution

ayusin nyo yung sagot,d ako nagbibiro

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Sagot :

OnekPHgo

Answer:

X=8, y=1

Step-by-step explanation:

X-y=7

X=7+y

Then substitute to

X+y=9

7+y+y=9

2y =2

Y=1,

So,

X=7+1

X=8

#Sana Nakatulong :)

Rafaelxxx15go

Answer:

x=1 y=8

Step-by-step explanation:

x+y=9

x-y=7

y=7+x

x+(7+x)=9

2x=9-7

2x/2=2/2

x=1

1+y=9

y=9-1

y=8

1-y=7

y=7+1

y=8

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