cameronbeaugh cameronbeaugh
  • 03-02-2019
  • Mathematics
contestada

solve 3x-18=2y and 5x-6y=14 by elimination or substitution . SHOW ALL WORK!!!

Respuesta :

mathecoach
mathecoach mathecoach
  • 03-02-2019

Answer:

3x - 18 = 2y

5x - 6y = 14

5x - 3*(2y) = 14

5x - 3*(3x - 18) = 14

5x - 9x + 54 = 14

-4x = -40

x = 10

3*10 - 18 = 2y

30 - 18 = 2y

12 = 2y

y = 6



Ver imagen mathecoach
Answer Link

Otras preguntas

Can someone help me with this plssss it would help so much! (IM GIVING LOTS OF POINTS!!!!!!!!)
What was the central idea of the early Korean belief in shamanism? Multiple choice question. cross out A) All living things in the world have spirits. cross out
Fill in the blank to make a true statement. x² +_x+21 (x +_)(x + 7)
Scott pours 1/4 gallon of lemonade equally into two glasses. How much lemonade is in each glass
Change 756.2 % to a decimal number.
Hook sentence on why overcoming obstacles is important
If a __________ tire blows out, the vehicle will pull sharply in the direction of the blowout?
The quotient of m and 56. Subtract that result from 34
Is the bee population growing by the same factor each week?
Is d+6d equivalent to 6d