The sum of two numbers is $56$56 and their difference is $30$30.
Set up two equations by letting $x$x and $y$y be the two numbers.
Use $x$x as the larger of the 2 numbers.
First solve for $x$x
Now solve for $y$y
Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns
Relate graphs, tables, and equations to linear, quadratic, and simple exponential relationships found in number and spatial patterns
Apply algebraic procedures in solving problems
Investigate relationships between tables, equations and graphs