Respuesta :

Answer:

x=34

Step-by-step explanation:

3x+1+2x+9=180

10+5x=180

5x=170

x=34
(3x+1)+(2x+9)=180
Add to 3x and 2x. Add 9 and 1.
5x+10=180
Subtract 180 and 10.
5x=170
Divide by 170 and 5.
x=34

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