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Solve the following equation, and check the solution. \( 8-2(7-2 t)=2(t-1) \)

Ask by Fowler Davison. in the United States
Dec 08,2024

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Tutor-Verified Answer

Answer

The solution to the equation is \(t=2\).

Solution

Solve the equation \( 8-2(7-2t)=2(t-1) \). Solve the equation by following steps: - step0: Solve for \(t\): \(8-2\left(7-2t\right)=2\left(t-1\right)\) - step1: Calculate: \(-6+4t=2\left(t-1\right)\) - step2: Calculate: \(-6+4t=2t-2\) - step3: Move the expression to the left side: \(-6+4t-\left(2t-2\right)=0\) - step4: Calculate: \(-4+2t=0\) - step5: Move the constant to the right side: \(2t=0+4\) - step6: Remove 0: \(2t=4\) - step7: Divide both sides: \(\frac{2t}{2}=\frac{4}{2}\) - step8: Divide the numbers: \(t=2\) The solution to the equation \(8-2(7-2t)=2(t-1)\) is \(t=2\).

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Bonus Knowledge

To solve the equation \( 8-2(7-2 t)=2(t-1) \), let's first distribute the terms. Starting with the left side: 1. Distributing \(-2\) into \( (7 - 2t) \): \[ 8 - 14 + 4t = 2(t - 1) \] which simplifies to: \[ -6 + 4t = 2(t - 1) \] Now, distributing on the right side \( 2(t - 1) \): \[ -6 + 4t = 2t - 2 \] Next, let's get all \( t \) terms on one side and constants on the other: \[ 4t - 2t = -2 + 6 \] This simplifies to: \[ 2t = 4 \] Dividing both sides by 2 gives: \[ t = 2 \] Now, let's check the solution by substituting \( t = 2 \) back into the original equation: Left Side: \[ 8 - 2(7 - 2 \cdot 2) = 8 - 2(7 - 4) = 8 - 2 \cdot 3 = 8 - 6 = 2 \] Right Side: \[ 2(2 - 1) = 2 \cdot 1 = 2 \] Both sides equal 2, confirming that \( t = 2 \) is indeed the correct solution!

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