jenn1643 jenn1643

25-09-2019
Mathematics

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x+y=-9. 5x-2y=32. elimination using manipulation

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Аноним Аноним

25-09-2019

Answer:

x=2, y=11.

Step-by-step explanation:

x + y = -9.

5x - 2y = 32 Multiply the first equation by 2:

2x + 2y = -18 Adding the last 2 equations to eliminate y:

7x = 14

x = 2,

Substitute x = 2 in the first equation:

2 + y = -9

y = -9 - 2

y = -11.

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