Respuesta :

shailaaa

Answer:

180-77=a

a-3=4x

4x ÷ 4= x

vihankalsi

Answer:

x=25

Step-by-step explanation:

aducent angles on striaght line add to 180

so (4x+3)+77=180

4x+3=103

4x=100

x=25

if my answer helps please mark as brainliest.  

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