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miskamm [114]
3 years ago
15

5/x - 3/4 = Simplify

Mathematics
1 answer:
Verdich [7]3 years ago
7 0

Answer:

\frac{20-3x}{4x}

Step-by-step explanation:

-This is an LCM problem.

-To simplify, we introduce a least common multiplier which is equivalent the product of the denominators:

LCM=x\times 4\\\\=4x

#We introduce the LCM and adjust the fractions based on it :

=\frac{5}{x}+\frac{3}{4}\\\\\\=\frac{20}{4x}+\frac{3x}{4x}\\\\\\=\frac{20-3x}{4x}

Hence, the simplified form of the fraction is: \frac{20-3x}{4x}

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Explanation how solve step by step 2/7m-1/7=3/14
Drupady [299]

Answer:

m = 25/28

Step-by-step explanation:

It's best to enclose fractional coefficients inside parentheses to eliminate ambiquity:   2/7m-1/7=3/14 => (2/7(m - (1/7) = (3/14).

The LCD is 14; each of the denominators {7, 14} divides evenly into 14.  Hence our equation becomes

(4)(m - 1/7) = 3

... after multiplying every term by 14.

Let's multiply each side by 7 to eliminate the remaining fraction:

4(7m - 1) = 21, or

28m - 4 = 21, or

28m = 25.

Hence, m = 25/28.

8 0
3 years ago
I need help please...
azamat

E' = (-9, -2)

F' = (-8, -2)

G' = (-8, -4)

6 0
2 years ago
Read 2 more answers
4^3 + (-2) ^4 = ? <br> evaluate?
kirill115 [55]

Answer:

80

Step-by-step explanation:

PEMDAS- do exponents first here, simplifying that to 64+16, add those to get 80.

4 0
2 years ago
Solve the two-step equation.<br><br> 14 = 31.7 – 3x<br><br> What is the solution?
shtirl [24]

Answer:

The answer is 5.9

Step-by-step explanation:

1) Subtract 31.7 from both sides.

14 - 31.7 =  - 3x

2) Simplify 14 - 31.7 to -17.7

- 17.7 =  - 3x

3) Divide both sides by -3.

\frac{ - 17.7}{ - 3}  = x

4) Simplify -17.7/-3 to 5.9

5.9 = x

5) Switch sides.

x = 5.9

Therefor, the answer is x = 5.9.

3 0
2 years ago
Please help me answer 4-6!!!!!!!
marin [14]
-2 negative 2 is the answer
8 0
3 years ago
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