Math

Question Find the values of xx that cannot be solutions to the equation 3x3x84=87x\frac{3 x}{3 x-8}-4=\frac{8}{7 x}.

Studdy Solution

STEP 1

Assumptions
1. We are given the equation 3x3x84=87x\frac{3x}{3x-8} - 4 = \frac{8}{7x}.
2. We need to find the value or values of xx that cannot be solutions to the equation.
3. These values are typically ones that make the denominator of any fraction in the equation equal to zero, as division by zero is undefined.

STEP 2

Identify the denominators in the given equation.
The denominators are 3x83x-8 and 7x7x.

STEP 3

Set each denominator equal to zero to find the values of xx that would make the denominator undefined.
For 3x83x-8, we have: 3x8=03x - 8 = 0
For 7x7x, we have: 7x=07x = 0

STEP 4

Solve the first equation 3x8=03x - 8 = 0 for xx.
3x=83x = 8
x=83x = \frac{8}{3}

STEP 5

Solve the second equation 7x=07x = 0 for xx.
x=07x = \frac{0}{7}
x=0x = 0

STEP 6

Combine the results from STEP_4 and STEP_5 to list the excluded values.
The excluded values are x=83x = \frac{8}{3} and x=0x = 0.
The excluded value(s) is/are 83,0\frac{8}{3}, 0.

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