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prealgebra intermediate

Problem

Simplify

(2 x + 5) - (- 3 x + 8)

.

Solution

We have

(2 x + 5) - (- 3 x + 8) = 2 x + 5 + 3 x - 8 = (2 x + 3 x) + (5 - 8) = 5 x - 3 .

Final answer

5x-3