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GenaCL600 [577]
2 years ago
6

Solve: 3/4x+4=22 answer?

Mathematics
2 answers:
MariettaO [177]2 years ago
8 0

Answer:

x=24

Step-by-step explanation:

erastovalidia [21]2 years ago
3 0

Answer:

x = 24

Step-by-step explanation:

\dfrac{3}{4}x + 4 = 22\\\\\\Subtract \ 4 from \ both \ sides \\\\\dfrac{3}{4}x = 22 - 4\\\\\\\dfrac{3}{4}x= 18\\\\\\Multiply \ both \ side \ by \ 4 \\\\3x = 18*4\\\\Divide \ both \ sides \ by \ 3\\\\x = \dfrac{18*4}{3}\\\\\\x = 6*4 = 24

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x+2y+2z=3. 2x-2y-z=3. x-2z=-5​
d1i1m1o1n [39]

Answer:

x = 1, y = -2, z = 3.

Step-by-step explanation:

x + 2y + 2z = 3      A

2x -2y - z = 3         B

x - 2z = -5              C

If we add equations A and B we eliminate y:

3x + z = 6       E

Multiply E by 2 :

6x + 2z = 12    F

Adding C and F we get:

7x = 7

x = 1.

Plug this into equaton C:

1 - 2z = -5

-2z =  -5 - 1 = -6

z = 3.

Now plugging x = 1 and z = 3 in equation A:

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2y = 3 - 1 - 6 = -4

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8 0
3 years ago
Mrs. Nevin is making a costume for a school play. She needs a piece of fabric that is greater than 1/2 of a yard but less than 5
Bumek [7]

Answer:

4/7 yards

Step-by-step explanation:

Given that :

Required fabric is > 1/2 but < 5/8

Let required fabric = x

Then ;

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0.5 < 0.571 < 0.625

From the options, only 4/7 yards satisfies the condition :

5 0
3 years ago
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Kisachek [45]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

When the numbers are negative the number that is closer to zero is the greatest

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Answer:

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Step-by-step explanation:

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