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dedylja [7]
3 years ago
13

1. What is the solution to this equation? 2 x + 10 = 28

Mathematics
2 answers:
gayaneshka [121]3 years ago
5 0

Answer:

x= 9

Step-by-step explanation:

first we transpose

2x= 28-10

add

2x= 18

transpose and divide

x= 18/2

x= 9

Colt1911 [192]3 years ago
3 0

Answer:

9

Step-by-step explanation:

2x=28-10

2x=18

x=18÷2

x=9

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for both?

Step-by-step explanation:


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<img src="https://tex.z-dn.net/?f=4%28a%20%2B%202%20%29%20-%202%20%28a%20-%203%29" id="TexFormula1" title="4(a + 2 ) - 2 (a - 3)
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Answer:

\large\boxed{2a+14}

Step-by-step explanation:

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5 0
3 years ago
Write an equation of a line in slope-intercept form that passes through the point (8, 9) and has a slope of 3.
Komok [63]

Answer:

y=3x-15

Step-by-step explanation:

y-y1=m(x-x1)

y-9=3(x-8)

y=3x-24+9

y=3x-15

6 0
2 years ago
Examine these points on line u and line v. Line u: (9, –8), (5, 4) Line v: (4, 2), (7, –7) How many points of intersection are t
musickatia [10]

Answer:

The line u and line v have no point of intersection because they are parallel lines

Step-by-step explanation:

The slope of a straight line is given as follows;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

The slope of line u is (4 - (-8))/(5 - 9) = -3

The equation for line u is y - 4 = -3*(x - 5)

y = -3·x + 15 + 4 = 19 - 3·x

The slope for line v is (-7 - 2)/(7 - 4) = -3

The equation for the line v is y - 2 = -3*(x - 4)

∴ y = -3x + 12 + 2 = -3x + 14

y = 14 - 3·x

Therefore. line u and line v have the same slope and are therefore parallel and they do not intersect

6 0
3 years ago
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