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Tatiana [17]
3 years ago
10

How do you solve this ? 3-x/4=9 x=

Mathematics
1 answer:
Naddik [55]3 years ago
6 0

Answer:

simple and best practice solution for 3-x/4=9 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

Step-by-step explanation:

x in (-oo:+oo)

3-(x/4) = 9 // - 9

3-(x/4)-9 = 0

-1/4*x-6 = 0 // + 6

-1/4*x = 6 // : -1/4

x = 6/(-1/4)

x = -24

x = -24

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3 years ago
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Multiply
Dmitriy789 [7]

Answer:

The product of given two fractions is

\frac{4(x+2)}{(x-1)(x+3)}

Therefore \frac{2(2+3)}{x(x-1)}\times \frac{4x(x+2)}{10(x+3)}=\frac{4(x+2)}{(x-1)(x+3)}

Step-by-step explanation:

Given expression is  

\frac{2(2+3)}{x(x-1)}\times \frac{4x(x+2)}{10(x+3)}

To find the product of two given fractions as below :

\frac{2(2+3)}{x(x-1)}\times \frac{4x(x+2)}{10(x+3)}=\frac{2(5)}{x(x-1)}\times \frac{2x(x+2)}{5(x+3)}

=\frac{10}{x(x-1)}\times \frac{2x(x+2)}{5(x+3)}

=\frac{20x(x+2)}{5x(x-1)(x+3)}

=\frac{20x^2+40x}{(5x^2-5x)(x+3)} (multiply each term in the factor to each term in the another factor )

=\frac{20x^2+40x}{5x^3+15x^2-5x^2-15x}  ( adding the like terms )

=\frac{20x^2+40x}{5x^3+10x^2-15x}

=\frac{5x(4x+8)}{5x(x^2+2x-3)}

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Therefore \frac{2(2+3)}{x(x-1)}\times \frac{4x(x+2)}{10(x+3)}=\frac{4(x+2)}{(x-1)(x+3)}

Therefore the product of given two fractions is \frac{4(x+2)}{(x-1)(x+3)}

6 0
4 years ago
PLEASE HELP
WINSTONCH [101]
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c) Percent cost paint and hardware: (17.63 + 52.91)/216.40 = 0.326
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4 years ago
The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system. FYI it’s not b
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Answer:

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Step-by-step explanation:

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From the first row:

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8 0
3 years ago
Marcia is 1.5 meters tall. she casts a shadow that is 2 meters long. a nearby building casts a shadow that is 24 meters long. ho
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Ratio and proportion

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