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Solve each given equation and show your work. Tell whether each equation has one solution, an infinite number of solutions, or no solution. Explain your answers.


1) 2x + 4(x-1) = 2 + 4x

2) 25 - x = 15 - (3x + 10)

3) 4x = 2x + 2x + 5(x-x)

Sagot :

kevinmpa697

Answer:

1) 2x+4(x-1)= 2+4x = x = 3

2) 25 - x = 15 - (3x + 10) = x = -10

3) 4x = 2x + 2x + 5(x-x) = x = any value of x make the equation true

Step-by-step explanation:

1) 2x+4x-4=2+4x

6x-4=2+4x

6x-4+4=2+4x+4

6x=4x+6

6x-4x=4x+6-4x

2x=6

2x/2 = 6/2

x= 3

2) 25-x=-3x+5

25-x-25=-3x+5-25

-x=-3x-20

-x+3x=-3x-20+3x

2x=-20

2x/2 = -20/2

x= -10

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