maribel74 maribel74

30-09-2019
Mathematics

contestada

За + 4 = a + 18
solve for a

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30-09-2019

3a + 4 = a + 18
-4 -4

3a = a + 14
-a -a

2a = 14
/2 /2
(Divided 2 on both sides)

a = 7

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AngelicaR88 AngelicaR88

30-09-2019

A would be 7. Shown above

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