4 years ago

15 decreased by twice a number algebraic expression?

2 answers:

Reil [10]4 years ago

5 0

$x-\ number\\\\twice\ a\ number:\\2x \\\\ Write\ it\ as\ a \ function: \\y=15-2x$

4 0

15-2x
A number is a variable so use a letter like x for them

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stepan [7]

I think it's 1/4 that's my answer

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joja [24]

Answer:

w = 21

Step-by-step explanation:

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AlekseyPX

Answer:2(x+1/2x)+3=105

Step-by-step explanation: that is how i got my answer. If not a similar answer i would go with 2x+3=3x+105.

You can automatically eliminate the first answer. The second one has a random 5, so eliminated. and the last one just isn't correct.

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3 years ago

irinina [24]

Answer:

True

Step-by-step explanation:

2x+5=x-3 is (-8)

This is the correct answer

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4 years ago