Given ; 2(10-13x)+9x=-34x+60
step 1 20-26x+9x- -34x+60
step 2 17x= - 34x +40
step 3 51x= 40
step 4 x= 40/51
in what step is there first an error. explain the error and how to correctly work the problem
pls will give brainliest

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