Faireuid
Faireuid
Mathematics
Answered
How do you solve: 11a=18a+21 ?
Sagot :
ZackFryid
ZackFryid
11a = 18a + 21
11a - 18a = - 18a + 21
-7a = 21
7a = -21
a = -21/ 7
a = -3
Answer Link
DemTrollsid
DemTrollsid
Ok, the points is to isolate the variable "a". First, you subtract 18a from both sides to remove the 18a from the right side, ending up with -7a = 21. Dividing both sides by -7, you will end up with a = -3. Answer: a = -3
Answer Link
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