Answer:
6<x>53
Step-by-step explanation:
x = number
6 is less than = 6<
greater than 53 = >53
put it all together
6<x>53
Answer:
y = 40
Step-by-step explanation:
y-10=30
y=30+10
y=40

is the logical or/disjunction symbol.

means "

or

". Disjunction is commutative, which means

is equivalent to

.
So if

represents

and

represents

, then

means

or

.
(2+2):2x4:16-10x2:2x3=x
4:2x4+16-10x1x3=x
8+16-30=x
-6=x
x=-6
This signing : signifícate division
I help the my answer can help you