Mathematics, 22.02.2021 17:20, zitterkoph

Step 1: 12x – 15 – 12x = 7x + 20 Step 2: 12x – 12x – 15 = 7x + 20
Step 3: -15 = 7x + 20
Step 4: -35 = 7x
Step 5: -5 = 3
Drag and drop the correct justification for each step.

Answers: 1

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Step 1: 12x – 15 – 12x = 7x + 20 Step 2: 12x – 12x – 15 = 7x + 20
Step 3: -15 = 7x + 20
...