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levacccp [35]
3 years ago
13

What is x for these qs 2x+7=3 1/2x-4=5 10-2x=5

Mathematics
2 answers:
777dan777 [17]3 years ago
4 0

Step-by-step explanation:

2x + 7 = 3 ➡ x = -2

1/2x -4 = 5 ➡ x = 1/18

10 - 2x = 5 ➡ x = 5/2

qwelly [4]3 years ago
3 0

Answer:

Step-by-step explanation:

1)=-2

2)=18

3)=2.5

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y-1=-x+2

Step-by-step explanation:

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On a coordinate plane, a line is drawn from point J to point K. Point J is at (1, negative 10) and point K is at point (7, 2). W
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Answer:

The point that divides the directed line segment from J to K into a ratio of 5:1 is (6, 0), its y-coordinate is 0.

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We take J as point one, with coordinates (x1, y1) = (1, -10) and K as point two with coordinates (x2, y2) = (7, 2)

The "run" is the change in the x-coordinates:  x2 - x1 = 7 - 1 = 6

The "rise" is the change in the y-coordinates: y2 - y1 = 2 - (-10) = 12

For the partition ratio, let the numerator = a and the denominator = b.

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