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Solve. 3a+a=? and explain
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Solve. 3a+a=? and explain

User Fervid
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You can't answer that, because 3 can't be added with a. It could be 3₃ + 19. Who knows!

User Venkatareddy
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4a

If it helps, there is actually a 1 before the a. So, the problem reads 3a + 1a. now you just add the 3 and 1 and attach the variable.

Hope this helps
User Hallie Swan
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