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2 step equation:
4x + 3 = 19

2 step equation w/ fractions:
(4/3)x + 5 = 17

Distributive Property:
4x(6 - 2) - 10 = 20

Decimals:
4.3x + 0.7 = 5

Real world equation:
Sharon's restaurant is bringing in money from customers, and she needs to know how much she needs to pay off the bill for the electricity to run the place. To turn the electricity on, she has to pay $25. For every hour that the electricity is on for, she has to pay $4. How many hours can she have the electricity on for if she makes $49 profit?

i really need some help solving these

Respuesta :

ogorwyne

The answers to the questions are:

1. x = 4

2.  x = 1.5

3. x = 1.875

4. x = 1

2 step equation:

1. 4x + 3 = 19

4x = 19 - 3

4x = 16

divide by 4

x = 4

2 step equation w/ fractions:

(4/3)x + 5 = 17

= 1.33x + 5 = 7

Take like terms

1.33x = 7-5

1.33x = 2

divide through by 1.33x to get 2

x = 2/1.33

x = 1.5

3. Distributive Property:

4x(6 - 2) - 10 = 20

Multiply and open the bracket

24x - 8x - 10 = 20

Take like terms

16x = 20+10

16x = 30

x = 30/16

= 1.875

4. Decimals:

4.3x + 0.7 = 5

4.3x = 5 - 0.7

4.3x = 4.3

x = 1

Read more on distributive properties here:

https://brainly.com/question/2807928

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