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Subjects>Math>Other Math

3x plus 8 equals 20-3x what is x?

Anonymous

∙ 15y ago

Updated: 11/7/2022

3x + x + 8 = 20
4x + 8 = 20
4x = 12
x = 3

Wiki User

∙ 15y ago

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More answers

3x + 8 = 20 - 3x

6x = 12

x = 2

Wiki User

∙ 15y ago

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∙ 2y ago

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Continue Learning about Other Math

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-3x + 6 + 15x =11x + 8 ie -3x + 15x - 11x = 8 - 6 ie x = 2

What is x in the equation 3x plus 8 equals 20?

3x + 8 = 20 3x = 20 - 8 3x = 12 3x = 12/3 x = 4

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If 3x + 5x = -8, what is x + 1? 3x + 5x = -8 8x = -8 x = -1 x + 1 = -1 + 1 = 0

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