Question

Solve the system of equations. ​

Answer 1

5x + 4y = 24

x + 0.8y = 4.8

x = 4.8 - 0.8y

-5(4.8 - 0.8y) + 13y = -7

-24 + 4y + 13y = -7

17y - 24 = -7

17y = 17

y = 1

5x + 4(1) = 24

5x + 4 = 24

5x = 20

x = 4

The coordinate pair would be (4, 1) (x = 4, y = 1.)

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Answer 2

Answer:

(4, 1 )

Step-by-step explanation:

Given the 2 equations

- 5x + 13y = - 7 → (1)

5x + 4y = 24 → (2)

Adding the 2 equations term by term will eliminate the term in x, that is

17y = 17 ( divide both sides by 17 )

y = 1

Substitute y = 1 in either of the 2 equations

Substituting in (2)

5x + 4(1) = 24, that is

5x + 4 = 24 ( subtract 4 from both sides )

5x = 20 ( divide both sides by 5 )

x = 4

Solution is (4, 1 )