X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
Answer:
I think the fourth one and what is going on with it being upside down lol??????????????
Step-by-step explanation:
lmk if I helped but if I did not I will give ur points back:).
Answer:
3 feet per second
Step-by-step explanation:
180 divided by 60=3
<span>Example: x − 2 = 4</span>
When we put 6 in place of x we get:
6 − 2 = 4
which is true
So x = 6 is a solution.
Answer:
y=(1/2)x+4
Step-by-step explanation:
Since slope-intercept form is y=mx+b, all we need to do is divide both sides by 2:
2y=x+8
y=1/2x+4
Thus, the equation would be y=1/2x+4
