radomes.openskiesproject.org
jhemmi jhemmi
  • 01-06-2015
  • Mathematics
Answered

Which ordered pair is the solution to the system of equations?

-3x+4y=-20

x+4y=-4

A.

(8, 1)


B.

(−12, 2)


C.

(−4, −8)


D.

(4, −2)

Verified Answer :

hunaifirst hunaifirst
  • 01-06-2015

x+4y=-4
x=-4-4y


-3(-4-4y)+4y=-20
12+12y+4y=-20
16y=-20-12
y=-32/16
y=-2


x=-4-4(-2)
x=-4+8
x=4



D.(4,2)

Answer Link

Related Questions

what does the per capita income level indicate about an economy a the percentage of families that have adult children living at home b the average wealth of eac
How can you tell an equation is linear Example 22x14y65
Which of the following are square roots of the number belowcheck all that apply36a 6b 3612c 18d 3612Please and Thank youu
The teacher has 12 green stickers and 15 purple stickers Three students are given an equal number of each color sticker How many green and purple stickers does
Methodius and Constantine were successful missionaries in Moravia because they translated the Bible and liturgy into German Slavic Greek Latin
x4gt15 please solve thank you
What would happen if i had sex 4 weeks after giving birth
Two forces with magnitudes of 90 and 50 pounds act on an object at angles of 30 and 160 respectively Find the direction and magnitude of the resultant force Rou
The atomic number of an element is equal to the number of contained in one atom of that element
Gandhi was trained to be a