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22-04-2020
Mathematics

contestada

what is x equivalent to?

what is x equivalent to class=

Respuesta :

fussellk fussellk

22-04-2020

Answer:

20

Step-by-step explanation:

together 7x and x + 20 must equal 180

7x + x + 20 = 180

8x + 20 = 180

8x = 160

x = 20

checking:

7(20) + 20+20

140+40 = 180

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