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dedylja [7]
2 years ago
6

Show how to solve a)

Mathematics
1 answer:
rewona [7]2 years ago
3 0

Answer:

Plug 3 into everywhere there is an 'x', and solve.

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The exercise is not written clearly. Assuming that it asks to find the amount of lumber (in feet) John needs for 3 shelves, let "x" represents that amount of lumber in feet.

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