Respuesta :

Answer:

x =144

Step-by-step explanation:

A straight line is 180 degrees

x+ x/4 = 180

Change 1 to 4/4 to get a common denominator

4/4x +x/4 = 180

Combine like terms

5/4x = 180

Multiply by 4/5 on each side to isolate x

4/5 * 5/4 =180 * 4/5

x =144

Ok done. Thank to me:>
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