Decimals
The expression for the triple of 4
3 x 4
The expression for 5 more than two 3's
2 x 3 + 5
The expression for 4 more than three times the sum of 1 plus 2
3( 1+2) + 4
The expression for 12 decreased by 2 times 4
12 - 2 x 4
The expression for 20 more than 3 times 7 decreased by 5
(3 x 7 - 5) + 20