mercedesleon02 mercedesleon02

08-03-2019
Mathematics

contestada

how can you eliminate this equation

12x+6y=120
4x+y=30

Respuesta :

meredith48034 meredith48034

08-03-2019

12x + 6y = 120
-24x -6y =-180

-12x = -60

x = 5

4(5) + y = 30
20 + y = 30
y = 10

(5, 10)

Answer Link

Otras preguntas

The ratio of Isabella's money to Shane's money is 3:11. If Isabella has $33, how much money do Shane and Isabella have together?

y=2x/a+2b solve for a

Lines K and P are perpendicular, neither is vertical and P passes through the origin. Which is greater? a. The product of the slopes of lines K and P. b. The

Which sentence uses commas correctly? a. You should be very proud of your work Carl. b. You, should be very proud of your work Carl. c. You, should be very p

What is the particles instantaneous speed at t=16 sec

After a 9% increase in salary, Laurie makes $1711.30 per month. How much did she earn per month before the increase?

Why were cities essential to the growth of civilizations?

What is the particles instantaneous speed at t=16 sec

What is the place value of 7 in 0.782

Which is an element? a. alcohol b. sodium c. sugar d. water