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Hunter-Best [27]

3 years ago

12

10x + 10y = −10 9x + 10y = −18

2 answers:

Anna71 [15]3 years ago

6 0

Answer:

(8,-9)

Step-by-step explanation:

andreev551 [17]3 years ago

5 0

Answer:

Step-by-step explanation:

10x+10y=-10

9x+10y=18

= 10x+10y=-10

-9x-10y=18

= x=8

step two is to find y:

10x+10y=-10

10(8)+10y=-10

80+10y=-10

10y=-90

y=-9

your answer:

(x,y)= (8,-9)

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