When equals are subtracted from equals, the results are equal.
U = 4 x 18 U = 72
18
a= -4
It is: 12+(-4)-(-10) = 18
When equals are subtracted from equals, the results are equal.
U = 4 x 18 U = 72
18
18
few errors in your title: 2 plus 4 = 6 6 plus 9 = 15 10 plus 25 = 35 18 + 81 = 99
a= -4
It is: 12+(-4)-(-10) = 18
(4*18)+6 = 78
peanuts
24
18
x=4