rebelzane1 rebelzane1

02-02-2018
Mathematics

contestada

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

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AnimeBrainly AnimeBrainly

02-02-2018

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

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