3 years ago

(5+x-3)x-3=x-1 what is x?

Mathematics

1 answer:

Tju [1.3M]3 years ago

4 0

You multiple everything in the ( )’s with the number outside of the ( )’s

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Solving Rational equations. LCD method. Show work. Image attached.

Dmitry [639]

Answer:

$b=1$

Step-by-step explanation:

The given rational equation is

$\frac{2b-5}{b-2} -2=\frac{3}{b+2}$

The Least Common Denominator is $(b+2)(b-2)$ .

Multiply each term in the equation by the LCD.

$(b+2)(b-2)\times \frac{2b-5}{b-2} -(b+2)(b-2)\times2=(b+2)(b-2)\times\frac{3}{b+2}$

Simplify;

$(b+2)\times \frac{2b-5}{1} -2(b+2)(b-2)=(b-2)\times\frac{3}{1}$

$(b+2)(2b-5) -2(b+2)(b-2)=3(b-2)$

Expand and group similar terms

$2b^2-5b+4b-10 -2(b^2-4)=3b-6$

$2b^2-5b+4b-10 -2b^2+8=3b-6$

$-b-2=3b-6$

$3b+b=-2+6$

$4b=4$

$b=1$

3 0

3 years ago

Use the distributive property to expand: x^-3 y^0(x^2-3x^5 y^4)

Soloha48 [4]

${x}^{ - 3} {y}^{0} ( {x}^{2} - 3 {x}^{5} {y}^{4} ) \\ = {x}^{ - 3} (1) ( {x}^{2} - 3 {x}^{5} {y}^{4} ) \\ = {x}^{ - 1} - 3 {x}^{2} {y}^{4}$

4 0

4 years ago

Write the equation of line whose b= -1 and m=5

vovangra [49]

Answer:

Step-by-step explanation:

y=mx+b

y=5x-1

4 0

3 years ago

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Help test due tonight!! *no links please *

Stella [2.4K]

Answer:

Add one to all the x and subtract 4 to all the y values

Step-by-step explanation:

(1,4)= (2,0)

(-4,2)=(-3,-2)

(4,-3)=(5,-7)

8 0

3 years ago

Simplify the expression by combining like terms<br>14g-6-13g-7

frozen [14]

Answer:

g-13

Step-by-step explanation:

subtract 14g from 13 making it g and add 6+7

Hope this helps :P

7 0

3 years ago

Read 2 more answers