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a) \( 2(x+3)-5(2 x-1)=\frac{1}{5}+10 x \)

Ask by Kirk Romero. in Spain
Dec 09,2024

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Tutor-Verified Answer

Answer

La solución de la ecuación es \(x=\frac{3}{5}\) o \(x=0.6\).

Solution

Solve the equation \( 2(x+3)-5(2x-1)=\frac{1}{5}+10x \). Solve the equation by following steps: - step0: Solve for \(x\): \(2\left(x+3\right)-5\left(2x-1\right)=\frac{1}{5}+10x\) - step1: Move the expression to the left side: \(2\left(x+3\right)-5\left(2x-1\right)-\left(\frac{1}{5}+10x\right)=0\) - step2: Remove the parentheses: \(2\left(x+3\right)-5\left(2x-1\right)-\frac{1}{5}-10x=0\) - step3: Calculate: \(-18x+\frac{54}{5}=0\) - step4: Move the constant to the right side: \(-18x=0-\frac{54}{5}\) - step5: Remove 0: \(-18x=-\frac{54}{5}\) - step6: Change the signs: \(18x=\frac{54}{5}\) - step7: Multiply by the reciprocal: \(18x\times \frac{1}{18}=\frac{54}{5}\times \frac{1}{18}\) - step8: Multiply: \(x=\frac{3}{5}\) La solución de la ecuación \(2(x+3)-5(2x-1)=\frac{1}{5}+10x\) es \(x=\frac{3}{5}\) o \(x=0.6\).

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Bonus Knowledge

To solve the equation \( 2(x+3)-5(2 x-1)=\frac{1}{5}+10 x \), let's start expanding and simplifying both sides. On the left side, distribute \(2\) and \(-5\): \[ 2x + 6 - 10x + 5 = \frac{1}{5} + 10x. \] Combining like terms on the left gives: \[ -8x + 11 = \frac{1}{5} + 10x. \] Now, let's get all the terms involving \(x\) on one side. Adding \(8x\) to both sides: \[ 11 = \frac{1}{5} + 18x. \] Subtracting \(\frac{1}{5}\) from both sides gives: \[ 11 - \frac{1}{5} = 18x. \] To combine, convert \(11\) into a fraction: \[ 11 = \frac{55}{5}, \] Thus, \[ \frac{55}{5} - \frac{1}{5} = \frac{54}{5}. \] Now, we have: \[ \frac{54}{5} = 18x. \] To isolate \(x\), divide both sides by \(18\): \[ x = \frac{54}{5} \div 18 = \frac{54}{90} = \frac{3}{5}. \] So the solution is: \[ x = \frac{3}{5}. \]

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