Question

Difficulty: EasyRadical and Rational Equations

If 8x3=2\frac{8}{x - 3} = 2, what is the value of xx?

Answer: 7

Answer

7
To solve the equation 8x3=2\frac{8}{x - 3} = 2, we clear the denominator by multiplying both sides of the equation by x3x - 3. This gives 8=2(x3)8 = 2(x - 3). Distributing the 22 results in 8=2x68 = 2x - 6. Adding 66 to both sides yields 14=2x14 = 2x. Dividing both sides by 22 gives the solution x=7x = 7.

Step-by-Step Solution

1
Multiply both sides of the equation by x3x - 3 to eliminate the fraction.
8=2(x3)8 = 2(x - 3)
To clear the denominator and simplify the equation.
2
Distribute the 2 to the terms inside the parentheses.
8=2x68 = 2x - 6
To expand the right-hand side of the equation.
3
Add 6 to both sides of the equation.
14=2x14 = 2x
To isolate the term with the variable xx.
4
Divide both sides by 2 to solve for xx.
x=7x = 7
To find the final value of the variable.

Key Concept

Solving a rational equation that simplifies to a linear equation by multiplying by the common denominator.
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