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yawa3891 [41]
4 years ago
6

-1/2x+3=-x+7 what does x equal

Mathematics
1 answer:
Snowcat [4.5K]4 years ago
4 0

Answer:

x = 8

Step-by-step explanation:

-1/2x+3=-x+7

Add x to each side

-1/2x+x+3=-x+x+7

1/2x +3 = 7

Subtract 3 from each side

1/2x +3-3 = 7-3

1/2x = 4

Multiply each side by 2

1/2x *2 = 4*2

x = 8

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If we changed the –0.14 to a 2 in the equation, what would happen to the graph?
MatroZZZ [7]

If -0.14 is changed to 2, the graph would become a positive graph, or it would be steeper, because it has a positive slope

The equation of the graph is given as:

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Where m represents the slope of the linear equation.

By comparison, we have:

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When -0.14 is replaced with 2, the equation becomes

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And the slope of the new equation y = 2x + 3 is

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Write the equation of a line that is parallel to 3x+2y=10 and passes through the point (4,-5). Answer in slope-intercept form.
SCORPION-xisa [38]

The equation of line is:

y = \frac{-3}{2}x+1

Further explanation:

The standard form of equation in point-slope form is:

y = mx+b

Given equation is:

3x+2y=10

We have to convert it into point slope form, for which we have to isolate y on one side of equation

3x+2y = 10\\2y = -3x +10\\y = \frac{-3}{2}x + \frac{10}{2}\\y = \frac{-3}{2}x + 5

Comparing with standard form:

m = -3/2

As the new line is parallel to given line, their slopes will be equal

So,

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

To find the value of b, putting the given point (4,-5) in equation

-5 = \frac{-3}{2}(4)+b\\-5 = -6+b\\b = -5+6 \\b = 1\\So\ the\ equation\ is:\\y = \frac{-3}{2}x+1

Keywords: Point-slope form, equation of line

Learn more about point-slope form of equation at:

  • brainly.com/question/1577690
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Vladimir79 [104]

Answer:

x=0, x=3, x=5

Step-by-step explanation:

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