rezaee rezaee
  • 04-06-2018
  • Mathematics
contestada

slove the system of equations 3x-7y=5 and 9y=5x+5

Respuesta :

jinc0930
jinc0930 jinc0930
  • 04-06-2018
3x-7y=5

9y=5x+5
-5x+9y=5

3x-7y=-5x+9y
8x=16y
x=16y/8
x=2y

3(2y)-7y=5
-1y=5
y=-5

-5(9)=5x+5
-45-5=5x
x=-10



Answer Link

Otras preguntas

The term __________ applies generally to those protections from the abuse of government power enjoyed by everyone in America. civil rights civil liberties prece
Which three major factors contributed to the Roman Empire’s decline? political insurrections, military rebellions, famine political instability, military confli
A radio station plays a commercial. It features a famous singer introducing herself and saying that she listens to the station. What propaganda technique is bei
Simplify and select the answer with the appropriate restrictions for the variables. 4x^2 + 8x/x^2 - x - 6
Who was Geoffrey Chaucer?
PLEASE HELP Consider eight, eight-cubic centimeter (8 cm3) sugar cubes stacked so that they form a single 2 x 2 x 2 cube. How does the surface area of the singl
Where were new immigrants mainly coming from in the late 1800s
What construction projects were used to help unify China during the Qin dynasty? roads and canals aqueducts and roads canals and apartment-style housing aqueduc
Which of the following was a prominent Federalist
If n=2, and l=0, then what are the possible values of ml?