isaac136954
isaac136954
14-09-2020
Mathematics
contestada
-10-8a=8-10a putting it all together
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samipina
samipina
14-09-2020
-10-8a=8-10a
+10 +10
-8a = 18-10a
+10a +10a
2a = 18
2 2
a = 9
You’re supposed to divide the 2 at the end. Hopefully this helped:)
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