3 years ago

X +2y= 5

1 answer:

3 0

Answer:

Step-by-step explanation:

subtract 3 from each side

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seraphim [82]

A) 390/.3= 1300 , 1300-390= 910, 910/1300= .70 OR 1.00-.3= .7
b) 390/.3= 1300$
c)390/.3= 1300 , 1300-390= 910$

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3 years ago

Gala2k [10]

Answer/Step-by-step explanation:

$2(3x - 1) = 2*3x 2*-1 = 6x - 2$

$(x*y)2 = (xy)2 = 2xy$

$2(2x - 3) = 2*2x 2*-3 = 4x - 6$

$3x + 4x + 2 = (3x + 4x) + 2 = 7x + 2$

$7x - 7 = 7(x) - 7(1) = 7(x - 1)$

$x(6 + 9) = x(15) = 15x$

$2 + 9x + 1 + 3x = (9x + 3x) + (2 + 1) = 12x + 3$

$4(x + 2) + x = 4x + 8 + x = 4x + x + 8 = 5x + 8$

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3 years ago

Mademuasel [1]

You mean their sum is 12?

A) x + y = 12
B) x -y = 4 then we add both equations:
2x = 16
x = 8
y = 4

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3 years ago

Anton [14]

Let, Unknown number = x

8x-51 = 53

8x = 53+51

x = 104/8

x = 13

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3 years ago

Nostrana [21]

There is .82% chance they will have the same bdays

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3 years ago