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Mathematics, 19.12.2020 05:00 kyao5780

If triangle ABC has the following angle measurements, what is the set-up to solve for x? ∠A= 4x - 17

∠B= 3x + 8

∠C= x + 13

4x - 17 + 3x + 8 + x + 13 = 180

4x - 17 = 3x + 8 + x + 13

4x - 17 - 3x + 8 - x + 13 = 180

4x - 17 - 3x + 8 - x + 13 = 180

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