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earnstyle [38]
2 years ago
6

What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x - 2)? O 3 O 4 O 5 09

Mathematics
2 answers:
Bogdan [553]2 years ago
6 0

Answer:

4

Step-by-step explanation:

took the quiz

nasty-shy [4]2 years ago
3 0

Answer:

Step-by-step explanation:

1.5x + 6 - 3 = 4.5x - 9

1.5x + 3 = 4.5x - 9

Bringing like terms on one side

3 + 9 = 4.5x - 1. 5x

12 = 3x

12/3 = x

4 = x

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For what value of p will the pair of linear equations have infinitely many solutions (p-3)x + 3y = p , px+ py = 12
sleet_krkn [62]

Answer: p = 6


Step-by-step explanation:

HI !


 px + 3y - ( p-3)=0


a₁ = p , b₁ = 3 , c₁ = - (p-3)


=====================


12x + py - p=0


a₂ = 12  , b₂ = p , c₂ = -p


since , the equations have infinite solutions , 


a₁/a₂ = b₁/b₂ = c₁/c₂


p/12 = 3/p =  p-3/p



--------------------------------------


p/12 = 3/p


cross multiply ,


p² = 36


p = √36

 p = 6


for the value of p = 6 , the equations will have infinitely many solutions





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