The first one is:
x=2
y= -1
The second one has no solution.
Answer:
Step-by-step explanation:
The actual sum was 3 DVDs and 1 BlueRay.
x + y = 4
2x + 5y = 11
No systems are given, but you can look for something that looks like the above 2 equations.
Hello! :)
P (a or b) means
P (a+b)
So the blue side and the red side of the diagram have students so add them up:
3+2=5
Then the ratio
blue and red/total number of students
5/10
(10 students)
So simplify:
1/2
Hope I helped and answered in time!
Good luck!
~ Destiny ^_^
Answer:
Step-by-step explanation:
2. expand the brackets
3. take away the smallest x value to simplify 8x-5x=3x
4. 3x=-15 divide both sides by 3 to find the value of x
5. -15/3=-5 therefore x=-5
Answer:
it's the one on the bottom...( I think)
Step-by-step explanation:
