manicobthewat manicobthewat
  • 07-04-2017
  • Mathematics
contestada

int the solution for the systems of equations

6x=90+3y
x-3y=50

Respuesta :

Catherinec1
Catherinec1 Catherinec1
  • 07-04-2017
x-3y=50
+3y +3y
x=50+3y

6(50+3y) = 90+3y
300+18y=90+3y
-3y -3y
300+15y=90
-300 -300
15y=90
/15 /15
y = 6

x=50+3(6)
x=50+18
x=68


x=68
y=6

Answer Link

Otras preguntas

2. Which value is a solution to the inequality? 3x − 5 < −20
The solution of v + 17 < or equal to 20
The rectangles shown are similar. What is the value of x? A. 12 B. 6 C. 8 D. 7
Water is unusual because it expands as it freezes. Very few substances have this property. The reason liquid water is more dense then ice can be best explained
23-x=73 WhAT IS X???
any inequality w greater than or equal 3.2 represents the weight of each pumpkin in pounds that is allowed to be picked to be sold are listed. how many pumpkins
Which of the following pioneers was not making a professional impact during the scientific management​ era?
Choose the phrase that best completes the sentence. The context clue that's often found in more challenging reading is frequently A. presented in a differen
use V=Voe^-t/RC and T=RC to derive T1/2=Tln2
what are the 5 proporties that must be presented in order to be classified as a mineral?
good job