select all the equations where n=6 is a solution.
choose 3 answers:
4=10-n
3=n/2
12=n+7
8n=48
5+n=8
Verify each equation
n=10-4
n=6
n=3*2
3) 12=n+7
n=12-7
n=5
n=48/8
5) 5+n=8
n=8-5
n=3
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