PLEASE HELP, WILL MARK BRAINLIEST, 15 points

Whereis the step where the error has occurred. Explain why it is an error.
Given: 2(10−13)=−34X+60
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Step 1: 20−26x+9x = −34x+60
Step 2: 20-17x=-34x+60
Step 3: -17x=-34x+40
Step 4: -17x=14
Step 5: x=-14/17