Consider,
. Let's say
then the problem reduces to
. (Do you understand this step?)
So then replacing a again with our definition we get,
.
Answer:
y= -3+2
Step-by-step explanation:
There is no ones place after the decimal so 3 is in the tenth place, so 2.4
8x+12+12x+8
20x+20
The final answer is 20x+20
Answer:
30
40 - 5x
Step-by-step explanation:
Caroline is taking test worth 40 points that has 5 points per question. If she got 2 questions wrong, she would have a score of `30.
2 × 5 = 10
40 - 10 = 30
If Caroline got x questions wrong, she would have a score of 40 - 5x.