SUMMER MATH PACKET!! Please help check my answers?? Thanks!
Directions: Solve.
1. 3y-9<6+6y
my answer: y<5
2. 1/4 (x-2) - 1/5 (x-3) = 1/2
my answer: x=8
3. -3x+3y=-18
4x-y=5
my answer: x=-13/9 and y=-67/9
4. 2x-3y=8
5x+2y=1
my answer: x=1 and y=-2
5. 2+x/5=5
my answer: x=23
6. (x+3)(x-9)=0
my answer: (-3,9)
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OpenStudy (anonymous):
nvm I have the first two corrected but still need 3-6
OpenStudy (anonymous):
k
OpenStudy (anonymous):
3rd one is x=-1/3 and y=-17/3
OpenStudy (anonymous):
how did you get there?
OpenStudy (anonymous):
4th is right
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OpenStudy (anonymous):
-3x+3y=-18
-x+y=-6.....eqn 1
simply add this to eqn2 4x-y=5
we get 3x=-1
or x=-1/3
put this back to eqn1 and i get y=-17/3
OpenStudy (anonymous):
i have doubt in 5th
is it 2+(x/5) or (2+x)/5 ?
OpenStudy (anonymous):
(2+x)/5
OpenStudy (anonymous):
y= -19/3
OpenStudy (anonymous):
is this answer @greeneyes<3 ?
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OpenStudy (anonymous):
@heybhai yes it is y=-19/3 not -17/3
thank you for your help! :D
OpenStudy (anonymous):
welcome and I thing I wanna admit u r very beautiful.