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Eduardwww [97]
3 years ago
9

Four times a number, minus 9, is equal to three times the number, plus 6

Mathematics
2 answers:
marshall27 [118]3 years ago
7 0
4 x p - 9 = 3 x p + 6  
Hope it helped 
Semenov [28]3 years ago
6 0
4x-9=3x+6        

the answer is 1x=-3 thats the best i can do by combing like terms
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Will give brainliest to correct answer.
kirill [66]
It's going to be kind of crazy, but you need to use Pythagorean's Theorem for this.  That will look like this: (2 \sqrt{x} +1)^2=( \sqrt{x} +1)^2+(2 \sqrt{x} )^2.  FOIL out the left side to get 4x+4 \sqrt{x} +1.  FOIL out the first of the 2 expressions on the right to get x+2 \sqrt{x} +1,  and the second of the 2 to get 4x.  Our equation now looks like this:  4x+4 \sqrt{x} +1=x+2 \sqrt{x} +1+4x.  Combine like terms to get an equation that still has square roots in it that we have to deal with:  4x-x-4x=-2 \sqrt{x}  and x=2 \sqrt{x}.  We will square both sides to get rid of the square root sign.  x^{2} =2x.  This is a polynomial now that can be factored to solve for x.  Bring the 2x over by subtraction and set the polynomial equal to 0.  x^{2} -2x=0.  Factor out an x, leaving us with  x(x-2)=0.  That means that x = 0 or x - 2 = 0 and x = 2.  Of course if we are solving for the length of a side we know it can't have a side length of 0, so it must have a side length that is a multiple of 2.  x = 2
3 0
2 years ago
Read 2 more answers
(5,2) (8,2), (8,5) and (?,?)
Luba_88 [7]
<h2>Answer:</h2><h2>(5,5)</h2><h2 /><h2>Hope this helps!!</h2><h2></h2>

6 0
2 years ago
Help with this algebra math question please
Sav [38]
The answer is the 3rd one
3 0
3 years ago
Read 2 more answers
Find the product of (–d + e)(4e + d). Which statements are true? Check all that apply.
yulyashka [42]
In equation, (-d + e)( 4e + d) will be (-4ed - d^2 + 4e^2 +ed ) to simplify we combine the terms with the same variables such as d^2, e^2 and ed. The equation becomes, 4e^2 - 3ed - d^2 . The product has 3 terms with a degree of 2. The statements that are true are B and E.
3 0
2 years ago
Read 2 more answers
Simplify:
ki77a [65]

Step-by-step explanation:

check this out and see if its right....I'm not sure

4 0
2 years ago
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