Respuesta :

wegnerkolmp2741o

Answer:

x =42

Step-by-step explanation:

(3x+12)+x=180

Combine like terms

4x +12 = 180

Subtract 12 from each side

4x +12-12=180-12

4x = 168

Divide by 4

4x/4 =168/4

x =42

Answer:

x=42

Step-by-step explanation:

180-12=168

168 divided by 4 = 42

x=42