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PilotLPTM [1.2K]
3 years ago
7

3/4x + 2 = 3/8x - 4 X= Please show how u got ur answer

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

Hope it helps u

Step-by-step explanation:

3/4x + 2 = 3/8x - 4

subtract 2 from both sides we get

(3/4)x=(3/8)x-6

subtract (3/8)x from both sides, we get

(3/4)x-(3/8)x= -6

now taking L.C.M we get

((6-3)/8)x= -6

(3/8)x= -6

x= -6*8/3

<h2>x= -16</h2>
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Simplify 6x/10x2\6/10x3-60x2<br> A.x-6<br> B.x-4<br> C.4<br> D.x-1
Anna71 [15]

Answer:

  A.  x-6

Step-by-step explanation:

Maybe you want to simplify ...

  ((6x)/(10x^2))/(6/(10x^3 -60x^2))

Invert and multiply. Cancel common factors from numerator and denominator.

  \dfrac{\left(\dfrac{6x}{10x^2}\right)}{\left(\dfrac{6}{10x^3-60x^2}\right)}=\dfrac{6x}{10x^2}\cdot\dfrac{10x^3-60x^2}{6}=\dfrac{6\cdot10x^2}{6\cdot10x^2}(x-6)\\\\=\boxed{x-6}

3 0
4 years ago
Given x=7 y=3 and z=10, calculate the value of:<br>5x =​
bulgar [2K]
The answer is 35 because it would be 5 times x which is 7
8 0
3 years ago
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saul85 [17]

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3 years ago
Write an absolute value equation that has the solutions x=8 and x=18
Helga [31]

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3 years ago
The larger of two numbers is twice the smaller increased by five. Find the two numbers if three times the larger exceeds double
irina [24]

The larger number is 13 and smaller number is 4

<em><u>Solution:</u></em>

Let the larger number be "a"

Let the smaller number be "b"

<em><u>Given that larger of two numbers is twice the smaller increased by five</u></em>

larger number = twice the smaller increased by five

larger number = twice the smaller number + 5

a = 2b + 5 --- eqn 1

<em><u>Also given that three times the larger exceeds double the smaller by 31</u></em>

Here "exceeds" denotes addition and "times" denotes multiplication

"double" denotes being multiplied by 2

three times the larger number = double the smaller number + 31

3a = 2b + 31 ---- eqn 2

<em><u>Let us solve eqn 1 and eqn 2 to find values of "a" and "b"</u></em>

Substitute eqn 1 in eqn 2

3(2b + 5) = 2b + 31

6b + 15 = 2b + 31

6b - 2b = 31 - 15

4b = 16

<h3>b = 4</h3>

From eqn 1,

a = 2b + 5

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<h3>a = 13</h3>

Thus the larger number is 13 and smaller number is 4

5 0
3 years ago
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