kstarr24 kstarr24

14-01-2019
Mathematics

contestada

Solve: 3(2x+1) = 3x-5
Step 1: 5x+3 = 3x-5
Step 2: 2x+3 = -5
Step 3: 2x = -8
Step 4: x = -4
Which is the first incorrect step in the solution set above?
step 1,2,3, or 4

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HeretoACE HeretoACE

14-01-2019

Step one since 3(2x+1) is 6x+3 not 5x+3.

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