Answer:
n + (n + 6) = 24.
Step-by-step explanation:
Let him have n blue marbles, then he has n + 6 other narbles.
He has a total of 24 marbles, so:
B) n + (n + 6) = 24, where n is the blue marbles
^^
it is the bottom one
i think i could be wrong
1-2-3-4-5-6-7-8-9-10
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