What is x + 3 +2x =x + 3

Mathematics

2 answers:

algol132 years ago

8 0

X=0 bexause the 3s cancel out and your left with 2x=0 so x=0

BartSMP [9]2 years ago

5 0

So what you want to do is make it so all the X's are on one side, and all the numbers on the other.

Basically, making it so like terms are on the same sides.

So basically:

x+3+2x=x+3

What you can first do is:

x + 2x + 3 = x + 3

3x + 3 = x + 3

And then you could:

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

3x = 0

/3 /3

x = 0

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Please help me <br> thank you

lilavasa [31]

Use the Pythagorean theorem. We have legs with lengths of 15 and 20 miles, now let's solve for the hypotenuse.

$a=15$
$b=20$
$c=?$

$a^2+b^2=c^2$
$15^2+20^2=c^2$
$c^2=400+225=625$
$c=25$

Your answer is 25 miles. Hope this helps! :)

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Vika [28.1K]

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