kieraballetbear kieraballetbear

02-05-2021
Mathematics

contestada

Solve the system with substitution
72 +10y = 36
y = 2x + 9

Respuesta :

centauron114 centauron114

02-05-2021

Answer:

x= -63 y= -117

Step-by-step explanation:

72+10(2x+9)=36

72+20x+90=36

162+20x=36

20x=-126

×= -63

y= 2(-63)+9

y=-126+9

y= -117

Answer Link

Otras preguntas

Who was the person who signed on the declration of indpendce with huge signature

why is the ability to culture stem cells important

The majority of german immigrants who came to the united states in the late 1840s came because the united states had what?

What is the roosevelt corollary and why was it significant?

Andy and alex both decided to order prints of their photos. Andy ordered 40 small 4x6 inch prints and 10 large 8x10 inch prints. He paid a total of $32.50 for h

Is 100 a reasonable estimate 915.25 divided by 88.22

Help Please! Solve for x

States with the largest populations _____. send more representatives to the House send fewer representatives to the House have more representatives placed on

If the bond's face interest rate is equal to the market rate of interest, it will be issued at:

The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours. What is the speed of the motorboat? A