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28. In the equation, 5x + 4y = -8, if y = 3, what is the value of x?
a.-4
b.4
C. 6
d.-7
brainlest ko po with solution thanks po​

Sagot :

AGboiigo

Answer:

LETTER A (-4)

Step-by-step explanation:

Substitute the value of y which is 3 to get the value of x

  • 5x+4y = -8
  • 5x+4(3) = -8
  • 5x+12 = -8
  • 5x = -8-12
  • 5x = -20
  • x = -20/5
  • x = -4

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