Substitute to solve: x=4y + 5 x=3y-2

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

How do you determine if an ordered pair is a solution to a given equation?