thetrekker01 thetrekker01

03-09-2017
Mathematics

contestada

y=(3)/(10-x) Solve for x.

Respuesta :

03-09-2017

Work: Y=3/(10-x )
Solve for x
×(10-x) both sides
Y (10-x)=3
10y-xy=3
-10y both sides
-xy=-10y+3
÷-y both sides
X=(10y-3)/y
Simplify
X=10y/y-3/y
X=10-3/y
Answer: x=10-3/y
Check your work: plug in x
Y=3/(10-(10-3/y))
Simplify
Y=3/(10-10+3/y)
Y=3/(3/y)
Y=3×y/3
Y=y
The answer is correct

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