3 Select all the correct answers. In which two ways do explanations make technical instructions more effective? o They list materials needed to perform a step. O They clarify the order of the steps in a process. They add more clarity to complex steps. O They motivate readers to follow the remaining steps. O They state the warnings about potential hazards of a step.

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substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

  this had halp

the answer would be, she updates her online profiles regularly and participates in work-related online discussions.