Which step could be used to solve x+3.6=-1.7 for x in one step select 2 options

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

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How do i put 3(x+7) in distributive property