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Aiyana Moss
4 March, 13:14
Solve 4a + 23 - 9a - 17 = 21. Show work
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Devan Andrews
4 March, 14:40
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A=3
First you would collect the like terms
-5a+21-6
Move constant to the right
-5a=21-6
Subtract the numbers
-5a=15
Divide both sides by - 5 and there ya go
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Koch
4 March, 15:07
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4a + 23 - 9a - 17 = 21 ... simplify
-5a + 6 = 21
-5a = 21 - 6
-5a = 15
a = - 15/5
a = - 3 <==
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