Respuesta :

Mehek
(99) + (3x) + (x + 5) = 180 because the always in a triangle must always add up to 180.

Now just have to isolate x:

First add the like terms:

104 + 4x = 180

Subtract 104 on both sides:

4x = 76

Divide by 4:

x = 19
nadiaallen23

Answer:

The answer is x=19

Step-by-step explanation:

I took the test. good luck and have a good rest of the day!

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