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5+2x+8

To solve for x, we can first set this expression equal to 0. Doing this makes the expression a solvable equation.

5+2x+8=0

Add 5 and 8.

13+2x=0

Then, subtract 13 so that the x is on one side of the equation.

2x=-13

Dive both sides of the equation by 2 to get x by itself.

2x/2=-13/2

That gives us...

x=-13/2

You can use long division to divide this fraction out if a decimal answer is needed.

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13y ago
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Q: What is 5 plus 2x plus 8?
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