3x/4+2/5=53/20

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3x/4+2/5=53/20

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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we want to isolate x so we get rid of the + 2/5 on that side by subtracting it from both sides to keep the equation equal. That means 3x/4 = 53/20-2/5 which is 3x/4 = 45/20. Then divide by 3/4 because that is the coefficient of x (basically means the number right next to it). Since we did it on one side we have to do it to the other side to keep the equation equal. 45/20 divide by 3/4 = 3. So x = 3
you could also, multiply by the LCD with is 20 and it would remove the fractions and make it an easier equation to work with.
Yes that is probably a better idea

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I like to get rid of fractions if at all possible. That is the purpose of an LCD

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