A cheese pizza costs $5. Additional toppings cost $1.50 each. Write an equation in two variables. What is the price of the pizza if you get pepperoni, bacon, ham, green peppers, onions, and pineapples?

Explanation is in the file

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1.50(6)+5

Step-by-step explanation:

you multiply 1.50 6 times to calculate the cost of all the topping and then add 5 for the pizza

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

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.