ambmundle ambmundle

01-03-2017
Mathematics

contestada

how to use substitution for 4x+3y=13 and x+y=4

Respuesta :

wolf1728 wolf1728

04-03-2017

A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A

A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1

Answer Link

Otras preguntas

Write an equation for the graph below in terms of x Y=

Savings accounts typically offer more interest than what type of account?

Toryn, Inc., a major player in semiconductors, makes small investments of 5-10 percent of a firm's equity in many emerging technology companies. Toryn buys the

Contrast the statues of David created during the Renaissance by Donatello and Verrocchio with the Baroque David created by Gianlorenzo Bernini. What makes these

Which exercise involves a movement back behind the body?

Which type of sentence is this? During World War I, President Woodrow Wilson kept sheep on the White House lawn and raised money for the Red Cross through the

What is the solution to the equation below?

If Michel could have taken the noon train, he ______ in time for the meeting this evening.

The sales tax is $14 per $100 What percent is the sales tax? Show your work. NEED HELP ASAP PLEASE

Question 7 of 10 Many modern adaptations of Romeo and Juliet have been produced, including West Side Story in 1961, which is set in New York. What does that fil