SallyMarquez5485 SallyMarquez5485

23-10-2018
Mathematics

contestada

Five times the sum of 9 and some number is 145. What is the number?

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CheshireKat55 CheshireKat55

24-10-2018

Answer:

x=20

Step-by-step explanation:

5(x+9) =145 (watch carefully)

5x + 45 = 145

5x + 45 - 45 = 145 - 45

5x = 100

5x/5 (to cancel eachother out) then --> 100/5

x=20

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