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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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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

User Sumon C
by
5.8k points

1 Answer

1 vote
Step one since 3(2x+1) is 6x+3 not 5x+3.
User Dzuelke
by
5.9k points
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