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Best Answer

25X + 30 = 15X

subtract 15X from each side

25X - 15X + 30 = 15X - 15X

10X + 30 = 0

subtract 30 from each side

10X + 30 - 30 = 0 - 30

10X = -30

divide both sides integers by 10

(10/10)X = - 30/10

X = - 3

----------------check in original equation

25(- 3) + 30 = 15(- 3)

- 75 + 30 = - 45

- 45 = - 45

----------------checks

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Q: How do you solve 25x plus 30 equals15x?
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