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Giancarlo Garcia
Mathematics
28 February, 18:53
If 12a - 5 = 4a + 11, then a = what?
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Jaydon Prince
28 February, 19:00
0
a=2
Step-by-step explanation:
12a - 5 = 4a + 11
Subtract 4a from each side
12a-4a - 5 = 4a-4a + 11
8a - 5 = 11
Add 5 to each side
8a - 5+5 = 11+5
8a = 16
8a/8 = 16/8
a = 2
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Andrew Cobb
28 February, 19:19
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a = 2
Step-by-step explanation:
12a - 5 = 4a + 11
correct the like terms
12a-4a = 11+5
8a = 16
divide by 8
8a/8 = 16/8
a = 2
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