Respuesta :
Answer:
x=20
Step-by-step explanation:
inverse operation
add 7 to both sides
x=20
Answer: x=20
Step-by-step explanation: x-20 = 0
Add 20 to both sides of the equation :
x = 20
Answer:
x=20
Step-by-step explanation:
inverse operation
add 7 to both sides
x=20
Answer: x=20
Step-by-step explanation: x-20 = 0
Add 20 to both sides of the equation :
x = 20
