Unlike terms displays terms which are not the same. x+2y would be the answer.
26.4 into fraction
26.4/1 * 100/100
2640/100
slash the zeros
264/10
simplify
132/5
turn it into a mixed fraction and you get
26 2/5
the answer would be -1,224 because the parentheses is your multiplication and the it is a negative
