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

what is the importance of the epiglottis​
Divide. Reduce the answer to lowest terms. 2 1/9 ÷ 3 1/3
How many grams are in 9.30 x 10-2 moles of calcium phosphate, Caz(PO3)2? a. 25.9 g b. 17.65 g c. 0.064 g d. 259 g
m and n are negative rational numbers. The product will be negativeTRUE or FALSE
what type of change occurs when rust on a nail a. chemical change b. physical change
For the following question, write the word or phrase from the word bank to complete the sentences. (ecology and evolution), (“Tree of All Life”), (planets) , (m
What is Jared testing in this experiment?
Choose one of the rhetorical devices below used in MLK’s “I Have a Dream” speech. Then, tell me how it helps to make the speech more effective.
A scuba diver is swimming -2.5 feet per minute. How many minutes did it take the scuba diver to reach the depth of 11 1/4 feet
Read the passage about the life of Jackie Robinson. At the outset of Jackie Robinson’s career, leagues were still segregated. Jackie was drafted by Branch Ricke