Answer:
what expressions?
Step-by-step explanation:
The answer is 2(x+4)-5x+2 .
Step by step:
Distribute the 2 through the parentheses--> 2x+8 -5x + 2
Then collect the like terms:
-3x+8+2
Then add 8 and the 2
-3x + 10
As long as there are no numbers after them the zeros on the right of the decimal don't matter (i.e. 6.3000000=6.3 3.00000=3)
So 81.9=81.90=81.900
Since three of them are the same number there is only one answer left (81.91)
<u>Answer</u>
x = 20
<u>Explanation</u>
Multiply the entire equation by 2 to get rid of the fraction.
x/2 * 2 = x
-4 * 2 = -8
6 * 2 = 12
Now, we have:
x - 8 = 12
To complete, add 8 to both sides
x = 20