Answer:
x=-13/2
Step-by-step explanation:
13 3/4=55/4
7 1/4=29/4
---------------------
55/4+x=29/4
x=29/4-55/4
x=-26/4
simplify
x=-13/2
But <span>160000000 can't be a decimal, because its whole number, unless its a percent, or a fraction.</span>

notice, all you do is, move the factor from the bottom to the top, or from the top to the bottom, and the sign changes, from negative to positive or the other way around, is all there's on that
Since it's a six dice then it's out of x/6
How much is 4 to 6 ?
~3 (counting 4) 4.5.6...
So it's 3/6 = 1/2
Check the picture below.
make sure your calculator is in Degree mode.