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Macedonian Mathematical Competitions

Algebra Difficulty 4.0 AMC 10/12 Find the answer North Macedonia

Find the number by which the sum of the numbers $54863$ and $30608$ has to be decreased in order to obtain their difference?

Your answer

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

We solve the equation $(54863 + 30608) - x = 54863 - 30608$ .

Its solution is $x = 85471 - 24255 = 61216$ .

The sum has to be decreased by $61216$ .

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