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Solve:x-(2x-(3x-4)/7)=(4x-27)/3-3....

Solve:`x-(2x-(3x-4)/7)=(4x-27)/3-3`.

A

2

B

4

C

3

D

6

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \( x - \left( 2x - \frac{(3x - 4)}{7} \right) = \frac{(4x - 27)}{3} - 3 \), we will follow these steps: ### Step 1: Simplify the left side of the equation Start with the left side: \[ x - \left( 2x - \frac{(3x - 4)}{7} \right) \] Distributing the negative sign inside the parentheses: \[ x - 2x + \frac{(3x - 4)}{7} \] Combine like terms: \[ -x + \frac{(3x - 4)}{7} \] ### Step 2: Simplify the right side of the equation Now, simplify the right side: \[ \frac{(4x - 27)}{3} - 3 \] Convert \(3\) to a fraction with a denominator of \(3\): \[ \frac{(4x - 27)}{3} - \frac{9}{3} \] Combine the fractions: \[ \frac{(4x - 27 - 9)}{3} = \frac{(4x - 36)}{3} \] ### Step 3: Set the simplified sides equal to each other Now we have: \[ -x + \frac{(3x - 4)}{7} = \frac{(4x - 36)}{3} \] ### Step 4: Eliminate the fractions To eliminate the fractions, find the least common multiple (LCM) of the denominators \(7\) and \(3\), which is \(21\). Multiply both sides by \(21\): \[ 21 \left( -x + \frac{(3x - 4)}{7} \right) = 21 \left( \frac{(4x - 36)}{3} \right) \] This simplifies to: \[ -21x + 3(3x - 4) = 7(4x - 36) \] Distributing on both sides: \[ -21x + 9x - 12 = 28x - 252 \] ### Step 5: Combine like terms Combine like terms on the left side: \[ -12x - 12 = 28x - 252 \] ### Step 6: Move all terms involving \(x\) to one side Add \(12x\) to both sides: \[ -12 = 28x + 12x - 252 \] Combine like terms: \[ -12 = 40x - 252 \] ### Step 7: Isolate \(x\) Add \(252\) to both sides: \[ 240 = 40x \] Now, divide by \(40\): \[ x = \frac{240}{40} = 6 \] ### Final Solution Thus, the solution to the equation is: \[ \boxed{6} \] ---
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