3 years ago

Solve using substitution. x - 7y = 13 x + 4y = 2

Mathematics

1 answer:

belka [17]3 years ago

7 0

Answer:

second is 1.50 first is 11.15

Step-by-step explanation:

see if it works for you I changed my fractions into decimals

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Solve by Elimination: <br> x + 6y = 28<br> 2x - 3y = -19

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Answer:

x=-2

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Step-by-step explanation:

x=28-6y

2x-3y=-19

(substitute the value of x)

2(28-6y)-3y=-19

y=5

x=28-6*5

x=-2

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Mars2501 [29]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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grin007 [14]

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3 years ago

Jim

stealth61 [152]

yes i agree because if all the integers are positive, the answer stays positive which means if you know your integer rules: a positive divide by a positive it stays positive. its the same thing for all the other operations. hope this helps.

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Read 2 more answers