Raul used the steps shown below to solve the equation. In which step did Raul make a mistake? 5x-3(2x+7)=2x+9 Step 1: 5x-6x-21=2x+9 Step 2: -11x-21=2x+9 Step 3: -12x=30 Step 4: x=-30/12 A. Step 1 B. Step

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asked Feb 7, 2022 35.9k views

18 votes

Raul used the steps shown below to solve the equation. In which step did Raul make a mistake?

5x-3(2x+7)=2x+9
Step 1: 5x-6x-21=2x+9
Step 2: -11x-21=2x+9
Step 3: -12x=30
Step 4: x=-30/12

A. Step 1
B. Step 2
C. Step 3
D. Step 4

Mathematics
college

Tdragon asked

by Tdragon

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2 Answers

5 votes

Answer:The answer is B, step two

Step-by-step explanation:5x-6x equals to -1x

Kirdok answered Feb 9, 2022

by Kirdok

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13 votes

I think it’s step 2 or 3 I’m not sur

Pje answered Feb 13, 2022

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