natty3669 natty3669

07-04-2019
Mathematics

contestada

complete the solution of the equation. find the value of y when x equals 20. -2x+4y=-4

Respuesta :

MrScienceGuy MrScienceGuy

07-04-2019

Answer:

When x=20, y =9.

Step-by-step explanation:

Rewrite the equation into slope-intercept form.

4y=-4+2x

Divide by 4 to isolate y

y=-1+(2/4)x

y=(1/2)x -1

Then plug in 20 for x.

y=(1/2)(20)-1

y=10-1

y=9

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