Respuesta :

Answer:

x=5

Step-by-step explanation:

Subtract 4 from both sides to isolate 7x

7x= 35

Divide both sides by 7

x=5

Answer:

x=5

Step-by-step explanation:

move the constant to the right- hand side and change its sign

7x=39-4

subtract the numbers

7x=35

divide both sides of the equation by 7 which = 5