81=81•2/2=162/2
81 1/2=162/2+1/2
=163/2
So 81 1/2=163/2=81.5
Answer: 23x > 115
Step-by-step explanation:
And for "a number" we can use a variable for it
x (it can be any variable like a or b)
The product of 23 and a number implies multiplication
23x
For "greater than" use a greater than symbol
23x>
So the word sentence as an inequality is
23x>115
Answer:
Step-by-step explanation:
8x - 2y = 6
-8x + 4y = 12
2y = 18
y = 9
8x - 18 = 6
8x = 24
x = 3
(9, 3)
