Answer :

Answer:

X=55

Step-by-step explanation:

(2x+10)+(x+5)=180

Combine like terms.

3x+15=180

Subtract 15.

3x=165

Divide by 3.

x=55

judyjill

Answer:

see attached

Step-by-step explanation:

angles on a straight line

${teks-lihat-gambar} judyjill

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