Aaron wants to buy a bicycle that costs $128. So far, he has saved $56. The equation a + 56 = 128 can be used to find the amount an in dollars that Aaron still needs to save. What is the solution to the equation?

Respuesta :

Answer:

a = 72

Step-by-step explanation:

Subtract 56 from both sides of the equation so you can isolate the variable

128-56=72