Use the Method of Substitution to Find the X -Coordinate $a + b i$

question 208

Multiple Choice

Use the method of substitution to find the x -coordinate of the solution of the following system of equations. $a + b i$

• A) \(( 5 - 2 i ) ( 2 + 5 i )\)
• B) \(12 + 5 i\)
• C) \(16 + 21 i\)
• D) \(14 - 2 i\)

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