1. Algebra and Indices
Middle Years
1.04 Substitution
Interactive practice questions
Find the value of $5+k$5+k when $k=9$k=9.
Easy
< 1min
Find the value of $z+2$z+2 when $z=-7$z=−7.
Medium
< 1min
Find the value of $m+n$m+n when $m=6$m=6 and $n=-4$n=−4.
Hard
< 1min
Find the value of $5+a+b$5+a+b when $a=-7$a=−7 and $b=4$b=4.
Hard
< 1min
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