TRUEBOSS72
TRUEBOSS72
12-03-2018
Mathematics
contestada
Please help me on this....
Respuesta :
choixongdong
choixongdong
12-03-2018
8x + 4y = 16
x + 7y = 15
multiply second equation by (-8)
-8x - 56y = -120
so now
8x + 4y = 16
-8x - 56y = -120
-----------------add
-52y = -104
y = 2
7(2) = 15 - x
14 = 15 - x
x = 1
answer is C.
(1, 2)
Answer Link
VER TODAS LAS RESPUESTAS ( 48+ )
Otras preguntas
how did rames the great rise to power
Ollie drank 3/4 of a 16- fluid ounce bottle of juice. how many fluid ounces of juice are left in the bottle?
which major river crosses the great wall
In what way was Harriet Beecher Stowe's book Uncle Tom's Cabin so important to the abolition movement? A It called for the emancipation of all slaves. B I
Seven out of ten students who play sports prefer pizza to Chinese food. If there is a total of 120 players, how many prefer pizza to Chinese food? What percent
I am doing Algebra for homework what is: bxbxbxb
what is equivalent to 8/11
show 5x12 usin g the distributive property
.Which of these is an indicator of the age of a woody plant? The number of growth rings The thickness of the growth rings The distance between the growth rings
All of the statements EXCEPT one are true about mutations. Which statement is false? A)Mutations must be present in parents and then passed to offspring. B)Muta