radomes.openskiesproject.org
cheonsa
cheonsa cheonsa
  • 27-02-2017
  • Mathematics
Answered

Solve using elimination.


-x – 5y = 16

2x + 5y = -7

Verified Answer :

baabaagreysheep
baabaagreysheep baabaagreysheep
  • 27-02-2017

-x - 5y = 16
2x + 5y = -7
(add)
x = 9

(2 × 9) + 5y = -7
18 + 5y = -7
- 18
5y = -25
÷ 5
y = -5

I hope this helps!

Answer Link
stjblotuss stjblotuss
  • 27-02-2017

-x - 5y = 16
2x + 5y = -7
-----------------------
1x =9

x=9 substitute

-9 - 5y =16
+9        =9
--------------
      -5y =25

25/-5 = -5

y= -5

Answer Link

Related Questions

54 18 76 42 76 and 46 mean median mode
what are the two great epic poems of early Greece and who wrote them
why do the blood vessels in the toucans bill shrink
3 which of the follow ordered pairs lies in quadrant ll a 4 3 b25 c1 2 d 30
Why may indian farmers consider the monsoons both a blessing and a curse
Suppose you know the base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches Find the area of the rectangle
Which equation represents a physical change 1 H2Os 601 kJ gtH2Ol 2 2H2g O2g gt2H2Og 4836 kJ 3 H2g I2g 530 kJ gt2HIg 4 N2g 2O2g 664 kJ gt 2NO2g
what happens to the gravitational force between two objects when their masses are increased
whats 3839 to the nearest thousand
Which are partial products for 57 48 Choose all answers that are correct A 5 x8 40 B 7 x 8 56 C 7 x 40 280 D 50 x 4 200