3 years ago

Which expression illustrates the associative property of addition?

1 answer:

qwelly [4]3 years ago

6 0

Answer:

(3 + 19) - 12 = 3 + (19 - 12).

Step-by-step explanation:

The parentheses have migrated to the right whereas the order of the numbers and operations has stayed the same.

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AleksAgata [21]

I think you left out something, is it -4x+1

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ehidna [41]

Answer:

x = 19

Step-by-step explanation:

The work shown is almost complete. It can be finished by multiplying both sides of the equation by the inverse of the coefficient of x.

x-coefficient: -1/3

inverse of x-coefficient = 1/(-1/3) = -3

Then you have ...

$-3\left(-\dfrac{19}{3}\right)=-3\left(-\dfrac{1}{3}x\right)\\\\19=x\qquad\text{simplify}\\\\\boxed{x=19}$

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Sergeu [11.5K]

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insens350 [35]

Answer:

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Step-by-step explanation:

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2 years ago