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3 years ago

Please help, will mark brainliest50 points

Mathematics

2 answers:

pentagon [3]3 years ago

4 0

Answer:

(-6,8)

Step-by-step explanation:

2x + 9y = 60

-9x + y = 62

y = 62 + 9x

2x + 9(62 + 9x) = 60

2x + 558 + 81x = 60

83x = -498

x = -6

y = 62 + 9(-6) = 8

liraira [26]3 years ago

3 0

Answer:

(-6,8)

Step-by-step explanation:

2x + 9y = 60

-9x + y = 62 --> y = 9x + 62 --> 2x + 9(9x + 62) = 60 -->

2x+ 81x + 558 = 60 -->

83x + 558 = 60 -->

83x = -498 -->

x = -6 -->

y = 9(-6) + 62 -->

y = 8

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