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Here's a fairly simple example of using the elimination method to solve for two variables when you have two equations. The answers do not end up being whole numbers though. The elimination method …

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With absolute value, try to think of it as, “the absolute value of…..” the thing that is inside the absolute value bars. “The” implies it’s one thing. So taking the absolute value of -6 or 6 …

49% of what number means 49% multiplied by a number. You probably want to replace ‘a number’ with a single letter variable. And it’s also probably convenient to convert the percentage into a …