How do you know whether to add on both sides or subtract on both sides when solving an equation

An ordered pair that makes a linear equation true is called

A golfer takes a swing from a hill twenty feet above the cup with an initial upwards velocity of 32 feet per second. How long does it take the ball to land on the ground near the cup?

What is - 1/11 simplified

A cylindrical bale of hay has a diameter of 5 feet and a height of 6 feet. What volume of hay does the bale contain. Round to the nearest tenth and use 3.14 for pi.

For what value (s) of k will the relation not be a function? A = { (3k-4, 16), (4k, 32) }

The larger of two number is 15 more than three times the smaller number. If the sum of the two numbers is 63, find tge numbers.

Raul has 350 and saves 15$ weekly Ruth has 200 and saves 25$ weekly When will they have the same amount

What is the equation of the line that is parallel to and that passes through (-2,-2) ?

What two numbers multiply to - 90 and add up to 27

Is y=800 (6/5) t exponential growth or exponential decay?