Consider the following pair of equations: y =x+4
y=-2x-2
explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount