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2 years ago

Solve through substitution –3x–8y=20 y=5x+19 Point of intersection, please

Mathematics

1 answer:

Sedaia [141]2 years ago

4 0

Answer:

(-4, -1)

Step-by-step explanation:

-3x - 8y = 20; y = 5x + 19

y = 5x + 19; -3x - 8y = 20

y = 5x + 19

-3x - 8y = 20

-3x - 8(5x + 19) = 20

-43x - 152 = 20

-43x - 152 + 152 = 20 + 152

-43x = 172

-43x / -43 = 172 / -43

x = -4

y = 5x + 19

y = (5)(-4) + 19

y = -1

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velikii [3]

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2 years ago

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irina1246 [14]

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2 years ago

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lisov135 [29]

Answer:

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1 year ago

The Big Falcon Rocket (BFR or Starship) from Space X can carry approximately 220,000 pounds. If they only carried $100 bills, ho

kifflom [539]

Answer:

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3 years ago

Tegan needs to make 686868 more snow blocks to finish building an igloo. Write an equation for the number of blocks Tegan still

Keith_Richards [23]

Answer:

We are given:

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2 years ago