Answer:

Given equations:
<u>Make x the subject in equation 1</u>:
<u>Substitute this into equation 2</u>:
2(y - 3) - 7y = -14
2y - 7y = -14 + 6
-5y = -8
y = -8/-5
y = 1.6
Then x = y - 3
= 1.6 - 3
= -1.4
Solution: (x, y) ⇒ (-1.4, 1.6)
Answer:
All numbers less than 2 or
or 
Step-by-step explanation:
Given that:
Number is added to itself is less than the number subtracted from 6.
To find:
All such numbers.
Solution:
Let the number be
.
Here, an inequality will be made.
When solved, it might give more than one answers.
As per the question statement, let us write the inequality.
Number added to itself 
Number subtracted from six = 
As per question:

So, the answer is:
All numbers less than 2 or
or
.
Answer:
D (7=30x)
Step-by-step explanation:
Answer:
13 lol
Step-by-step explanation:
8 + 2 = 10 + 3 = 13
= 13
Answer:
Step-by-step explanation:
18, count the dots. The number line aka 0-7 is just showing the number of possible pets a person could have