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Sadie Montoya
Mathematics
4 April, 18:31
3 (7-9x) - 5 (5x+1) = - 8 (9x-4)
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Pamela Donovan
4 April, 18:47
0
Open the equation
21-27x-25x-5 = - 72x+32
collect like terms
21-5-27x-25x=-72x+32
16-52x=-72x+32
collect like terms
-52x+72x=32-16
-20x=16
divide both sides by - 20
x = - 16/20
divide into the lowest term
x = - 4/5
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