sukhsing sukhsing
  • 26-05-2022
  • Mathematics
contestada

substitution. y = x − 35 y=-4x

Respuesta :

jimrgrant1 jimrgrant1
  • 26-05-2022

Answer:

(7, - 28 )

Step-by-step explanation:

y = x - 35 → (1)

y = - 4x → (2)

substitute y = x - 35 into (2)

x - 35 = - 4x ( add 4x to both sides )\

5x - 35 = 0 ( add 35 to both sides )

5x = 35 ( divide both sides by 5 )

x = 7

substitute x = 7 into either of the 2 equations

substituting into (1)

y = 7 - 35 = - 28

solution is (7, - 28 )

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