6+8t=12+6t
0.3/5
y=½x+4
7792*997-792×997
5x=8-3x
7a-2=8+12a
(2^x-3)^x+4=(2^x-2)^x-7
do rufini whit numbers 1 4 3 -4 -4
(x + 3)^2 + 4 = 40
3/4 X 8 1/3
