rainbowshy6208 rainbowshy6208

02-11-2020
Mathematics

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10(1 + 4a) - 7a = -6a + 5(1 + 8a)

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danakmpzn danakmpzn

02-11-2020

10(1 + 4a) - 7a = -6a + 5(1 + 8a)

10 + 40a - 7a = -6a + 5 + 40a
-40. -40

10 - 7a = -6a + 5
-7a + 6a = 5 - 10
-a = -5
5 = a

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