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What value of a makes the equation true? 9 a+2=4a-18

What value of a makes the equation true? 9 a+2=4a-18
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what value of a makes the equation true? 9a+2=4a-18

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User Doogal
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9a+2=4a-18\ \ \ \ /-2\\\\9a=4a-20\ \ \ \ /-4a\\\\5a=-20\ \ \ \ /:5\\\\a=-4
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User Cambecc
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9a+2=4a-18 \\9a-4a= -18-2 \\ 5a= -20 |:5 \\a= -4
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User Avramov
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