Answer:
k=1
Explanation:
Opening the brackets:
3k+10k-6=7
Adding like terms:
13k=13
k=13/13=1
k = 1
3k + 2(5k – 3) = 7
3k + 10k -6 =7
13k = 7+6
13k= 13
k=13/13
k =1
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