Answered

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I need help! If you could explain that would help alot
(find x using cross multiplaction 4x+6 and x+9)
NO LINKS YOU WILL BE REPORTED

I Need Help If You Could Explain That Would Help Alot Find X Using Cross Multiplaction 4x6 And X9 NO LINKS YOU WILL BE REPORTED class=

Sagot :

themathexpertise

Answer:

x = 3. (Refresh if you cannot see the explanation.)

Step-by-step explanation:

[tex]\frac{4x+6}{3} = \frac{x+9}{2}\\\text{Cross multiply.}\\2(4x+6)=3(x+9)\\\text{Distribute.}\\8x+12=3x+27\\\text{Subtract 3x from both sides.}\\5x+12=27\\\text{Subtract 12 from both sides.}\\5x=15\\\text{Divide both sides by 15.}\\x=3\\\\\text{Proof:}\\\\\frac{4x+6}{3}=\frac{x+9}{2}\\\text{Substitute variable.}\\\frac{4(3)+6}{3}=\frac{3+9}{2}\\\text{Simplify numerators.}\\\frac{18}{3}=\frac{12}{2}\\\text{Divide both sides.}\\6=6[/tex]

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