Respuesta :

Answer:

3. x = 53

4. x = 60

Step-by-step explanation:

Answer:

1. 53

2. 60

Step-by-step explanation:

70+ (4+2x) = 180

74+2x=180

180-74=106/2=53

x=53

2x+x=180

3x=180/3

x=60