3 years ago

Solve for x. 9x=5x 20 enter your answer in the box. x =

Mathematics

2 answers:

const2013 [10]3 years ago

7 0

Collect the like terms
9x-5x=20
4x=20 divide both sided by 4
x=5

Lapatulllka [165]3 years ago

5 0

Yep! just took the test the answer was x=5!

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$f( - 4) = 4( - 4) + 9 = - 7$

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Thus ;

R = { - 7 , 1 , 9 , 17 }

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The correct answer is (( D )) .

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