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

Graph the parabola. y=x^2 -4 where do i put the points

What is the slope of the line shown below (3,9) (1,1)

Plz solve mcqs#04 with full detailed.note

A circular track is 1000 yards in circumference. Cyclists A, B, and C start at the same place and time, and race around the track at the following rates per min

Use a graphing calculator to sketch the graph of the quadratic equation and then give the coordinates for the x-intercepts (if they exist) y=x2+7x+10 A (-2,0),(

how does being mindful of your strengths, skills, weaknesses, and potential challenges or obstacles impact your personal, academic, and professional growth?

algun ingles que me entienda?

Equal rights among genders means women shouldn’t be treated any better than men. (This is in the kind words of Kazuma) True or False?

Susan purchased 9/10 of a pound of shrimp for a dinner party. Her plan is to serve 1/6 of a pound of shrimp to herself and each guest. Including herself, how ma

Please Help Asap!!! Will give brainiest if answered correctly with explanation.