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masha68 [24]
3 years ago
13

Solve 3x+1=x+5 The solution is x

Mathematics
2 answers:
Doss [256]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

Given

3x + 1 = x + 5

Subtract x from both sides

3x - x + 1 = x - x + 5

2x + 1 = 5

Subtract 1 from both sides

2x + 1 - 1 = 5 - 1

2x = 4

Divide both sides by 2

x = 4/2

x = 2

solong [7]3 years ago
5 0

Answer:

x=2

Step-by-step explanation:

3x+1=x+5

Subtract x from each side to get all the variables on one side

3x-x+1=x-x+5

2x+1 = 5

Subtract 1 from each side to get all the constants on the other side

2x+1-1 = 5-1

2x= 4

Divide each side by 2

2x/2 =4/2

x =2

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vredina [299]

Answer:

For figure 1: The equation of a line is y=1

For figure 2: The equation of a line is y=(-4)x+1

For figure 3:The equation of a line is y=\frac{-5}{2}x+5

Step-by-step explanation:

The equation of line slope-intercept form is given by y=mx+c

Where m is the slope of the line and c is the y-intercept.

For figure 1:

Here, Line is parallel to x-axis

Hence, Slope m=0

Also, Line passing to y axis at (0,1)

Y-intercept is c=1

Therefore,

The equation of line is

y=0x+1

y=1

For figure 2:

Figure show a line passing through point (1,-3) and (-1,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-(-3)}{(-1)-1}

m=\frac{8}{-2}

m=(-4)

Also, Line is intersecting y-axis at (0,1)

Hence, c=1

We can write the equation of line as

y=mx+c

y=(-4)x+1

Thus, The correct option is D). y=(-4)x+1

For figure 3:

From the figure, a line is passing through points (-2,0) and (0,5)

The slope of the line is given by m=\frac{Y2-Y1}{X2-X1}

Using given points to find out the slope of a line

m=\frac{Y2-Y1}{X2-X1}

m=\frac{5-0}{0-(-2)}

m=\frac{-5}{2}

Also, Line is intersecting y-axis at (0,5)

Hence, c=5

We can write the equation of line as

y=mx+c

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

4 0
3 years ago
Use the given domain to find the range of function: f(x)=−2x²+7, D={2, −3, 0}
soldi70 [24.7K]

Answer:

R={-1, -11, 7}

Step-by-step explanation:

-2(2)^2+7=

-2(4)+7=

-8+7=

-1

-2(-3)^2+7=

-2(9)+7=

-18+7=

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-2(0)^2+7=  

-2(0)+7=

0+7=

7

5 0
3 years ago
HELP ON TIMER!!!
Law Incorporation [45]
I’d say the second one, the fourth one and the fifth one.

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3 years ago
Susan runs 22 km in 2 hours and 45 minutes. What is her average speed in km an hour? Explain your answer please!
Tpy6a [65]

Answer:

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Your answer 8km/h

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4 0
3 years ago
5x + 5x + 2 + 6 equals 6x + 4 + 3x<br><br>plz show steps I will give you a thankyou​
amid [387]
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HOPE THIS WILL HELP YOU
3 0
3 years ago
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