vizhnay9615 vizhnay9615

01-12-2020
Mathematics

contestada

Solve the system by elimination. . 4x-9y=-21 , -4x-3y=9

Respuesta :

Emersoncushing Emersoncushing

01-12-2020

(-3, 1)
4x-9y=-21
+-4x-3y=9
-12y= -12
y=1

4x- 9(1)= -21
4x-9=-21
+9 +9
4x= -12
x=-3

Answer Link

Otras preguntas

There are a total of 100 balloons.if the ratio of yellow balloons to blue balloons is 8 to 12 how many of them are yellow

Plants play a major role in the carbon dioxide. plants use carbon dioxide for..., a process that forms glucose and releases oxygen. When plants die,... break do

Complete the sentences about inheritance. The code for heredity is carried on______ in each organism's DNA.

An internet business sells u.s flags for $16.95 each, plus $2.50 shipping per flag. Shipping is free,however, on orders where more than $100 of flags are purch

How did others treat her differently because of her suspicions

what is a bodegon and what is its significance

Which u.s. national park is home to a large volcanic caldera formed through a very large explosive eruption 630,000 years ago? yosemite carlsbad caverns acadia

whats the slope of y=1/3x+2

the sum of three times a number and 4 is between -8 and 10

Brenton’s weekly pay, P(h) , in dollars, is a function of the number of hours he works, h. He gets paid $20 per hour for the first 40 hours he works in a week.