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3x2 + 2(x2 – 20) = 16 - 2x2

1 Answer

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3x(2) + 2(2x - 20) = 16 - 2x(2)

6x + 4x - 40 = 16 - 4x

10x - 40 = 16 - 4x

14x - 40 = 16

14x = 56

x = 4

Hope this helps! ;)

User Samblg
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