paddikakes55 paddikakes55
  • 04-06-2017
  • Mathematics
contestada

2x - 3y = -12
y = 9 - x
Solve by substitution

Respuesta :

azhangstuy
azhangstuy azhangstuy
  • 04-06-2017
2x - 3(9-x) = -12

2x-27+3x=-12

5x-27=-12

5x=15

x=3

y=9-x
y=9-3

y=6

x=3
y=6
Answer Link

Otras preguntas

Find all the powers of 4 in the range 4 through 1,000.
y= 3x - 10 y= 2x - 5
the strongest evidence for evolution from a common ancestor is
Jackie buys a basket for $6, 2 pounds of apples for $3.50 per pound, and 2 pounds of oranges for $3.50 each per pound. The tax for the whole purchase is $1.
5x+7y=77 5x+3y=53 2x+5y=-1 X+2y=0 3x+6y=6 2x-3y=4
How would I oreder the numbers least to greatest 4.2,-41/9,-4.6,43/8
find correct two decimal places, the radius of the circle with the given circumference: 35cm
what is a transfer of food goods and disease between the old new worlds columbian
Which of the following structures forms a protective layer between the environment and the inside of a body? a.blood vessel b.muscle c.skin d.bone
What is 10/25 simplified