21x+28=14 and 9x+12y=6

1 answer:

7 0

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nekit [7.7K]

Answer:

1.-113

2.62

Step-by-step explanation:

1.-9^2+3(-9)-5

-81+-27-5

-113

2.5(7-(-9))+2(-9)

5*16-18

80-18

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3 years ago

Sedaia [141]

Just a moment while I review this

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allochka39001 [22]

2 and 2/5 hope i helped

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3 years ago

laiz [17]

Answer: X=9/4

Step-by-step explanation:

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3 years ago

prisoha [69]

Answer: 3312q^2 - 9093q + 5914

Step-by-step-explanation:

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3 years ago