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ElenaW [278]
4 years ago
7

Y= 3x + 17 y= 4x + 24

Mathematics
2 answers:
mel-nik [20]4 years ago
8 0

Answer:

(- 7, - 4 )

Step-by-step explanation:

Given the 2 equations

y = 3x + 17 → (1)

y = 4x + 24 → (2)

Since both equations express y in terms of x , equate the right sides

4x + 24 = 3x + 17 ( subtract 3x from both sides )

x + 24 = 17 ( subtract 24 from both sides )

x = - 7

Substitute x = - 7 into either of the 2 equations and solve for y

Substituting x = - 7 in (1)

y = 3(- 7) + 17 = - 21 + 17 = - 4

Solution is (- 7, - 4 )

vaieri [72.5K]4 years ago
5 0

Answer:

Step-by-step explanation:

y = 3x + 17..........(1)

y = 4x + 24.........(2)

Substituting (2) into (1)

4x + 24 = 3x + 17

4x - 3x = 17 - 24

x = - 7

And y = 3x + 17

y = 3(-7) +17

y = -21 + 17

y = -4

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