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ddd [48]
3 years ago
15

3x + 5 = 5x - 11. What is the value of x in this equation.

Mathematics
2 answers:
Nesterboy [21]3 years ago
7 0

Answer:

X=8

Step-by-step explanation:

3x+5=5x-11

-3x   = -3x      Subtract the 3x from both sides

5      = 2x-11    You will end up with 5 on the left and 2x-11 on the right

+11     = +11      Add 11 to both sides to get rid of 11 on the right

16     =2x       you will end up with 16=2x

16/2=2/2       Lastly divide 2 on both sides

8=x                You will end up with the answer as x=8

svlad2 [7]3 years ago
5 0
Make sure that when you bring a number to the other side of the equal sign, you need to change from + to - or from - to +

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Answer:

A Vertex

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What is the x-and y-intercept of the graph 4x -5y =40??
umka21 [38]

Answer:

x-intercept = 10

y-intercept = -8

Step-by-step explanation:

4x-5y=40

To identify the y-intercept, we will need to format the equation in the form y=mx+b. We can start by subtracting 4x from both sides of the equation:

-5y=-4x+40

Divide both sides of the equation by the coefficient of y, which is -5:

y=\frac{-4}{-5} x - 8

The b is representative of the y-intercept in y=mx+b.

Identify b in the equation y=\frac{-4}{-5} x - 8:

b=-8

Therefore, our y-intercept is -8.

To solve for the x-intercept, replace the y in the equation y=\frac{-4}{-5} x - 8 with a zero:

0=\frac{-4}{-5} x - 8

Add 8 to both sides of the equation:

8=\frac{-4}{-5} x

You can go ahead and divide -4 by -5 to get rid of the fraction:

8=0.8x

Divide both sides of the equation by the coefficient of x, which is 0.8:

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8 0
3 years ago
miss townsend needs 5 1/2 yards of fabric to make 2 indentical dresses how much fabric is needed to make each dress?
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3 0
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Find the volume please and Katie, why are you deleting my questions?
Rina8888 [55]

Volume of the prism = 75 cubic feet

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Height of the prism = 3 feet

Volume of the prism = l × b × h

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Volume of the prism = 75 cubic feet

Hence, the volume of the prism is 75 cubic feet.

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3 years ago
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