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Question Completed: 11 of 20 My score: 11/20 Solve the following equation. \[ -(x-2)+5=6 x+7(1-x) \] Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \( x=2 \) (Simplify your answer.) B. The solution is all real numbers. C. There is no solution.

Ask by Cruz Mccoy. in Egypt
Feb 21,2025

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Answer

The solution is all real numbers.

Solution

We start with the equation:   -(x - 2) + 5 = 6x + 7(1 - x). First, distribute the negative sign on the left-hand side:   -x + 2 + 5 = 6x + 7(1 - x). Combine like terms on the left-hand side:   -x + 7 = 6x + 7 - 7x. Now simplify the right-hand side:   6x - 7x = -x, so the right-hand side becomes:    -x + 7. Thus, the equation is:   -x + 7 = -x + 7. Since both sides of the equation are identical for any value of x, the equation holds true for all real numbers. Therefore, the correct answer is: B. The solution is all real numbers.

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To solve the equation \(- (x - 2) + 5 = 6x + 7(1 - x)\), let's first simplify both sides. On the left-hand side: \(- (x - 2) + 5 = -x + 2 + 5 = -x + 7\). On the right-hand side, distribute \(7\): \(6x + 7(1 - x) = 6x + 7 - 7x = -x + 7\). Now we have: \(-x + 7 = -x + 7\). Since both sides are identical, this means that the equation holds true for all values of \(x\). So the answer is B: The solution is all real numbers. Now, here’s something you might enjoy! Who knew math could be so harmonious? Just like every good song has its recurring theme, equations like this remind us that sometimes life (and math!) can be beautifully simple. And if you're curious about exploring more equations with interesting properties, diving into linear algebra could be your next fun adventure—think transformations and vector spaces!

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