what is x? 9=-4x+19

Y=-4x+19 Y=9 What is x?
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2 Answers

9 = -4x + 19

4x = 10

x = 2.5
by

well i needed to write this out...

9=-4x+19

first you subtract 19 from 9 so it's...

-10=-4x

then you divide -10 by -4 so then it becomes...

2.5=x then check it...does it make sense?

9=-4(2.5)+19

9=-10+19

9=9

 

by Level 1 User (400 points)

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