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Number one would be x=4, I hope this helps
Answer:
4 crayons
Step-by-step explanation:
The box has 8 crayons, 8 times 1/2 is 4. The other way is dividing. 8/2 is also 4.
She will use 4 crayons.
Sum means add
(x+5) + (-4x-2) + (2x-1)
=-3x+3+(2x-1)
=-x+2
