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Solve the rational equation $\frac{x}{x+2}+\frac{-4}{x-2}=1$

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Solution

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Final answer to the problem

$x=-\frac{2}{3}$
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Step-by-step Solution

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The least common multiple (LCM) of a sum of algebraic fractions consists of the product of the common factors with the greatest exponent, and the uncommon factors

Learn how to solve equations problems step by step online.

$\begin{array}{l}L.C.M.=\left(x+2\right)\left(x-2\right) \\ L.C.M.=x^2-4\end{array}$

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Learn how to solve equations problems step by step online. Solve the rational equation x/(x+2)+-4/(x-2)=1. The least common multiple (LCM) of a sum of algebraic fractions consists of the product of the common factors with the greatest exponent, and the uncommon factors. Obtained the least common multiple (LCM), we place it as the denominator of each fraction, and in the numerator of each fraction we add the factors that we need to complete. Simplify the numerators. Combine and simplify all terms in the same fraction with common denominator x^2-4.

Final answer to the problem

$x=-\frac{2}{3}$

Exact Numeric Answer

$x=-0.6666667$

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Function Plot

Plotting: $\frac{x}{x+2}+\frac{-4}{x-2}-1$

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a
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n
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x
y
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.
(◻)
+
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×
◻/◻
/
÷
◻2
◻◻
√◻
√

◻√◻
◻√
∞
e
π
ln
log
log◻
lim
d/dx
D□x
∫
∫◻
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

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Main Topic: Equations

In mathematics, an equation is a statement of an equality containing one or more variables. Solving the equation consists of determining which values of the variables make the equality true. In this situation, variables are also known as unknowns and the values which satisfy the equality are known as solutions.

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