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2X + 50 = 5X - 10

subtract 2X from each side

50 = 3X - 10

add 10 to each side

60 = 3X

divide each side by 3

20 = X

check

2(20) + 50 = 5(20) - 10

40 + 50 = 100 - 10

90 = 90

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14y ago

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