Pedro has four tickets, but he needs seven tickets to ride the roller coaster. the equation x + 4 = 7 can be used to model pedro’s situation. what number can be substituted into x to make the statement true?

The only number that can be substituted into x to make the statement true is 3

Step-by-step explanation:

3 + 4 = 7 is a true statement.

7 = 7

4 + 4 = 7 is a false statement.

8 ≠ 7

Therefore, 3 is the only solution that makes the statement true.

The answer to your question is 3. I hope I helped!

if im undersanding the question correctly, its organized from 10

step-by-step explanation:

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.