Find the value of $5+k$5+k when $k=9$k=9.
Find the value of $z+2$z+2 when $z=-7$z=−7.
Find the value of $m+n$m+n when $m=6$m=6 and $n=-4$n=−4.
Find the value of $5+a+b$5+a+b when $a=-7$a=−7 and $b=4$b=4.
Simplify algebraic expressions involving the four operations
Plot linear relationships on the Cartesian plane with and without the use of digital technologies
Solve linear equations using algebraic and graphical techniques. Verify solutions by substitution