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OpenStudy (anonymous):
13. Choose the ordered pair that is the solution to the system of equations.
-5y + 4x = 8
-15y + 3x = -3
(3,4/5)
(-3,-4)
(-3,4/3)
(3,0)
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OpenStudy (angela210793):
-5y + 4x = 8 (e shumezojme me 3)----->-15y+12x=24 (i zbresim ane per ane)
-15y + 3x = -3 -15y+3x=-3
9x=27
x=27/9=3
y---> -5y+12=8
-5y=-4
y=4/5
zgjidhja eshte (3;4/5)
OpenStudy (anonymous):
15y-12x=-24
-15y+3x=-3
=>-9x=-27 => x=3
y= 4/5
OpenStudy (angela210793):
E kape?
OpenStudy (anonymous):
hmm, e kuptova menyren falemnderit shume
OpenStudy (angela210793):
yw :)
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OpenStudy (anonymous):
15. Choose the ordered pair that represents the solution to the system of equations.
x + y = 4
y = 2x + 1
(1,3)
(-1,3)
(1,-3)
(-1,-3)
OpenStudy (anonymous):
x+y=4
-y+2x=-1
=>3x=3 => x=1
y=3
OpenStudy (angela210793):
(1;3)
x + y = 4 --->x+y=4(shumezojme me 2)---->2x+2y=8 (mbeldhim ane per ane)
y = 2x + 1 y-2x=1 y-2x=1
3y=9
y=3
x+3=4
x=1
OpenStudy (anonymous):
system:
-5y + 4x = 8
-15y + 3x = -3
equal:
(3, 4/5)
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