What is the value of x? Show logical steps to solve for x

(x+22)+x=90

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

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points