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Delicious77 [7]
2 years ago
13

2x+2y=-2 y = x + 5 please hurry!

Mathematics
1 answer:
larisa [96]2 years ago
6 0

Answer:

2x+2y=x+5

(move the x next to the 2y)

= 2x+2y-x=5

(the x is negative because i moved it)

(collect the like terms)

= x+2y=5

(so the answer is...)

x+2y=5

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7 0
2 years ago
Graph the following lines and write the equation in slope-intercept form. With y intercept of −3 and an x intercept of −4.5.
makvit [3.9K]

Answer:

y=-\frac{2}{3}x-3

Step-by-step explanation:

To write the equation of a line we need 2 points. We know:

  • If the y-intercept of the line is -3 then the point is (0,-3).
  • If the x-intercept of the line is -4.5 then the point is (-4.5,0).

Using these two point, we will find the slope and then substitute it into the point slope form y-y_1=m(x-x_1) with a point.

Slope: m=\frac{0--3}{-4.5-0}=\frac{0+3}{-4.5}=\frac{3}{-4.5}=-0.6667

This decimal is -2/3. We will now substitute -2/3 and (0,-3) into the point slope form.

y--3=-\frac{2}{3}(x-0)\\y+3=-\frac{2}{3}(x)\\y+3=-\frac{2}{3}x\\y=-\frac{2}{3}x-3


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3 years ago
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