ZeroNakamura ZeroNakamura

02-05-2017
Mathematics

contestada

Solve this equation for a. 10a + 3 + 2a = 39

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Darkling Darkling

02-05-2017

10a+3+2a=39
12a+3=39
-3 -3
12a=36
/12 /12
a=3

Answer Link

DarkBeauty DarkBeauty

02-05-2017

10a+3+2a=39
First simplify
12a+3=39
Then subtract 3 from both sides
12a=36
Then divide both sides by 12
a=3

Answer Link

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