6=-3(x+2)

Solving multi-step equations

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An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.