Seudónimo Seudónimo
  • 03-01-2017
  • Mathematics
contestada

Given the system of equations:
2x + 2y = 16
6x + 4y = 38
What is the value of X?
A. 13
B. -1
C. 3
D. 1/3

Respuesta :

fencingparry4
fencingparry4 fencingparry4
  • 03-01-2017
2x=16-2y
x=8-y

6(8-y)+4y=38
48-6y+4y=38
48-2y=38
-2y=-10
y=5

8-5=x
x=3 <-Answer
Answer Link

Otras preguntas

What are the statutory requirements for a pour-over gift into a trust? a) No requirements b) Must be in writing c) Must be notarized d) Requires court approval
an insulated beaker contains 300g of water, intially at 30°C. water at 100°C is added until the temperature of the mixture reaches 50°C. the specific heat capac
for each of the follwing situations write down the formula andd determine itf it defines a linear function
HELPPPPPPPPPP PLEASEEEEEEEE!!!!!!
find the diameter of a circle whose circumference is: 1.) 110m​
Find mode of the following size 2 3 5 6 7 frequency 4 6 2 5 3 1
Why did Lavinia’s face look white and pinched
A rock is suspended from a horizontal support by a string, as shown above. An identical string is attached to the bottom of the rock. A person pulls the bottom
Difference between ionic product and ksp
Kuper manipulates time to create tension. How are the graphic novel and story alike and different in their treatment of time? How does the idea of time figure i