3x +0 can be replaced by 3x because of "the additive identity property of real numbers: anything plus zero is that thing."
Answer:
$3.91
Step-by-step explanation:
This is a fraction equal to
100 count ÷ 25.54 cost
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 25.54
100 count ÷ 25.54
25.54 cost ÷ 25.54
=
3.915427 count
1 cost
=
3.915427 count
cost
= 3.915427 count per cost
Answer:
6n + 18
Step-by-step explanation:
Multiply each n and 3 by 6:
6 (n+3) = 6n + 18
9514 1404 393
Answer:
x = 1/5
Step-by-step explanation:
You can eliminate fractions by multiplying the equation by 6.
2x +2 = 3 -3x
5x = 1 . . . . . . add 3x-2
x = 1/5 . . . . . the root of the equation
