Simplify the expression $2t+4\times8t$2t+4×8t.
Simplify the expression $12s-8s\div4$12s−8s÷4.
Simplify the expression $12u\div3-2u$12u÷3−2u.
Simplify the expression $2c+7c\times3+4c$2c+7c×3+4c.
generalises number properties to operate with algebraic expressions
operates with positive-integer and zero indices of numerical bases