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myrzilka [38]
3 years ago
10

Solve the system using substitution.x+y=-2&x-y=-8 (–3, 5) (5, –3) (3, –5) (–5, 3)

Mathematics
1 answer:
AleksAgata [21]3 years ago
7 0

Answer:

(-3, 5)

Step-by-step explanation:

X + y = 2---------------1

X - y = 8----------------2

Substitution method

X = 8 + y

Put x = 8+ y in 1 above

(8+y) +y= 2

2-8= 2y

-6 = 2y

Y= -3

Do same for x

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Answer:

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Step-by-step explanation:

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Number of prism A that fits into prism B = Volume of prism B ÷ volume of prism A

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= 20

Number of prism A that fits into prism B = 20

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