Please answer properly.

1)

2)

3)

4)

Step-by-step explanation:

subtract 6 from both sides

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combine like terms

divide both sides by 9

---------->>>>

Subtract 9 from both sides

---------->>>>

Add within the parenthesis

subtract 5 from both sides

divide both sides by 3

Hope this is helpful to you.

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.