dezariaspencer
dezariaspencer dezariaspencer
  • 02-05-2018
  • Mathematics
contestada

solve the system using the substitution method
4x+6y=8
3x+y=9

Respuesta :

fatehahnordin9p7wo43
fatehahnordin9p7wo43 fatehahnordin9p7wo43
  • 02-05-2018
4x+6y=8
3x+y=9

y = 9 - 3x

4x + 6( 9-3x ) = 8
4x + 54 - 18x = 8
14x = 46
x = 23/7

y = 9 - 3(23/7)
y = 9 - 69/7
y = - 6/7
Answer Link

Otras preguntas

this gas makes up close to one fourth of the air surrounding earth
The cost for n students to attend a workshop is 7n+12 dollars. What is the cost,in dollars for  students to attend?
England won respect from others countries because the Spanish Armada was defeated.Answer True  False
How are continental volcanoes formed?
England won respect from others countries because the Spanish Armada was defeated.Answer True  False
The length of Marshall's poster is 2 times its width. If the perimeter is 72 inches, what is the area of the poster?
what is the equation of a line in slope-intercept form with a slope of -3/4 and a y-intercept of -2
What numbers add up to -5 and multiply to get -90
doors for the small cabinets are 11.5 inches long.doors for the large cabinets are 2.3 times as long as the doors for the small cabinets.how many large doors ca
What factors add to get -18 and multiply to get 75?