Answer:
28k + 68? I think
Explanation:
expand by distributing terms
56+28k+12
collect lile terms
28k+(56+12)
Simplify
28k+ 68
=============================================
Work Shown:
7(8+4k)+12
7*8+7*4k+12 ..... distributive property
28k+56+12
28k+68
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