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Find ๐‘ฅ,ย ๐‘ฆ,ย ๐‘ง such that (๐‘ฅ-๐‘ฆ,ย ๐‘ฅ+๐‘ฆ,ย ๐‘ง-1)=(4,2,3)

Question

Find ๐‘ฅ,ย ๐‘ฆ,ย ๐‘ง such that (๐‘ฅ-๐‘ฆ,ย ๐‘ฅ+๐‘ฆ,ย ๐‘ง-1)=(4,2,3)

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Solution

From the given equation, we have three separate equations:

  1. ๐‘ฅ - ๐‘ฆ = 4
  2. ๐‘ฅ + ๐‘ฆ = 2
  3. ๐‘ง - 1 = 3

Let's solve these equations one by one:

  1. From the first equation, we can express ๐‘ฆ in terms of ๐‘ฅ: ๐‘ฆ = ๐‘ฅ - 4
  2. Substitute ๐‘ฆ = ๐‘ฅ - 4 into the second equation: ๐‘ฅ + (๐‘ฅ - 4) = 2, which simplifies to 2๐‘ฅ - 4 = 2. Solving for ๐‘ฅ gives ๐‘ฅ = 3.
  3. Substitute ๐‘ฅ = 3 into ๐‘ฆ = ๐‘ฅ - 4 to find ๐‘ฆ = 3 - 4 = -1.
  4. From the third equation, we can solve for ๐‘ง: ๐‘ง = 3 + 1 = 4.

So, the solution to the system of equations is ๐‘ฅ = 3, ๐‘ฆ = -1, ๐‘ง = 4.

This problem has been solved

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