Footballplayer Footballplayer
  • 08-03-2015
  • Mathematics
Answered

-4x - 2y = -12
4x = 8y = -24



Answer :

apologiabiology
apologiabiology apologiabiology
  • 08-03-2015
assumint that they have 1 or more solutions that are common to both then


assuming that you meant 4x-8y=-24
add them togetehr
4x-4x-8y-2y=-24-12
0x-10y=-36
-10y=-36
10y=36
divide 10
y=3.6

subsitute for 3.6 for y
4x-8(3.6)=-24
4x-28.8=-24
add 28.8 to both sdies
4x=4.8
divide 4
x=1.2


x=1.2
y=3.6
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