3. Marco solved the equation below incorrectly. Identify Marco's error and then solve the
equation correctly.
|(x-9)= }(+18)
1
1
3 =
I
-3=9
2x = 12
x = 48
AC
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Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

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