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What is the value of x? 3(4 + 3x) 2(2x - 7) (Those are all what my teacher gave me)
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What is the value of x?
3(4 + 3x) 2(2x - 7)
(Those are all what my teacher gave me)

User Muhand Jumah
by
6.2k points

1 Answer

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3(4 + 3x) =

distribute the 3 to both 4 and 3x

12 + 9x


2(2x - 7) =

distribute the 2 to both 2x and -7

4x - 14

12 + 9x = 4x - 14

12 (-12) + 9x (-4x) = 4x (-4x) - 14 (-12)

5x = -26

5x/5 = -26/5

x = -26/5

hope this helps
User Exta
by
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